protected GameState.SystemSides findSystemSide(
Point2D point, double rotationAngleInDegrees, double fieldWidth, double fieldHeight) {
double centerX = point.getX(), centerY = point.getY();
double angle = (rotationAngleInDegrees + 360) % 360;
double angleLimits[] = new double[4];
angleLimits[0] = Math.atan2(-centerY, fieldWidth - centerX);
angleLimits[1] = Math.atan2(fieldHeight - centerY, fieldWidth - centerX);
angleLimits[2] = Math.atan2(fieldHeight - centerY, -centerX);
angleLimits[3] = Math.atan2(-centerY, -centerX);
for (int i = 0; i < 4; i++) {
angleLimits[i] = (Math.toDegrees(angleLimits[i]) + 360) % 360;
}
if (angle >= angleLimits[0] || angle <= angleLimits[1]) {
return GameState.SystemSides.Right;
} else if (angle < angleLimits[2]) {
return GameState.SystemSides.Down;
} else if (angle <= angleLimits[3]) {
return GameState.SystemSides.Left;
} else {
return GameState.SystemSides.Up;
}
}
/**
* Rotate the oriented bounding box of the 3D image about the specified axis with the specified
* angle.
*
* @param transform The transform and its matrix by which to rotate the image.
*/
public void rotateFrameBy(Transform3D transform) {
double rY, rX, rZ;
double sinrX, sinrY, sinrZ, cosrX, cosrY, cosrZ;
Matrix3d matrix = new Matrix3d();
transform.get(matrix);
rY = -Math.asin(matrix.m02);
if (Math.cos(rY) != 0) {
rX = -Math.atan2(matrix.m12, matrix.m22);
rZ = Math.atan2(matrix.m01, matrix.m00);
} else {
rX = -Math.atan2(matrix.m10, matrix.m11);
rZ = 0;
}
cosrX = Math.cos(rX);
sinrX = Math.sin(rX);
cosrY = Math.cos(rY);
sinrY = Math.sin(rY);
cosrZ = Math.cos(rZ);
sinrZ = Math.sin(rZ);
matrix.m00 = cosrZ * cosrY;
matrix.m01 = -sinrZ * cosrY;
matrix.m02 = sinrY;
matrix.m10 = (cosrZ * sinrY * sinrX) + (sinrZ * cosrX);
matrix.m11 = (-sinrZ * sinrY * sinrX) + (cosrZ * cosrX);
matrix.m12 = -cosrY * sinrX;
matrix.m20 = (-cosrZ * sinrY * cosrX) + (sinrZ * sinrX);
matrix.m21 = (sinrZ * sinrY * cosrX) + (cosrZ * sinrX);
matrix.m22 = cosrY * cosrX;
m_kRotate.set(matrix);
m_akAxis[0] = new Vector3f(1.0f, 0.0f, 0.0f);
m_akAxis[1] = new Vector3f(0.0f, 1.0f, 0.0f);
m_akAxis[2] = new Vector3f(0.0f, 0.0f, 1.0f);
for (int i = 0; i < 3; i++) {
m_kRotate.transform(m_akAxis[i]);
}
orthonormalize(m_akAxis);
for (int i = 0; i < 3; i++) {
setAxis(i, m_akAxis[i]);
}
}
/**
* Uses the Haversine formula to calculate the distnace between to lat-long coordinates
*
* @param latitude1 The first point's latitude
* @param longitude1 The first point's longitude
* @param latitude2 The second point's latitude
* @param longitude2 The second point's longitude
* @return The distance between the two points in meters
*/
public static double CalculateDistance(
double latitude1, double longitude1, double latitude2, double longitude2) {
/*
Haversine formula:
A = sin²(Δlat/2) + cos(lat1).cos(lat2).sin²(Δlong/2)
C = 2.atan2(√a, √(1−a))
D = R.c
R = radius of earth, 6371 km.
All angles are in radians
*/
double deltaLatitude = Math.toRadians(Math.abs(latitude1 - latitude2));
double deltaLongitude = Math.toRadians(Math.abs(longitude1 - longitude2));
double latitude1Rad = Math.toRadians(latitude1);
double latitude2Rad = Math.toRadians(latitude2);
double a =
Math.pow(Math.sin(deltaLatitude / 2), 2)
+ (Math.cos(latitude1Rad)
* Math.cos(latitude2Rad)
* Math.pow(Math.sin(deltaLongitude / 2), 2));
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return 6371 * c * 1000; // Distance in meters
}
// From: http://forum.java.sun.com/thread.jspa?threadID=378460&tstart=135
void drawArrow(
Graphics2D g2d,
int xCenter,
int yCenter,
int x,
int y,
float stroke,
BasicStroke drawStroke) {
double aDir = Math.atan2(xCenter - x, yCenter - y);
// Line can be dashed.
g2d.setStroke(drawStroke);
g2d.drawLine(x, y, xCenter, yCenter);
// make the arrow head solid even if dash pattern has been specified
g2d.setStroke(lineStroke);
Polygon tmpPoly = new Polygon();
int i1 = 12 + (int) (stroke * 2);
// make the arrow head the same size regardless of the length length
int i2 = 6 + (int) stroke;
tmpPoly.addPoint(x, y);
tmpPoly.addPoint(x + xCor(i1, aDir + .5), y + yCor(i1, aDir + .5));
tmpPoly.addPoint(x + xCor(i2, aDir), y + yCor(i2, aDir));
tmpPoly.addPoint(x + xCor(i1, aDir - .5), y + yCor(i1, aDir - .5));
tmpPoly.addPoint(x, y); // arrow tip
g2d.drawPolygon(tmpPoly);
// Remove this line to leave arrow head unpainted:
g2d.fillPolygon(tmpPoly);
}
public void mouseDragged(MouseEvent e) {
middleX = (int) player.getX() + (int) player.get_spr_w() / 2;
middleY = (int) player.getY() + (int) player.get_spr_h() / 2;
angleX = ((e.getX() - middleX)) / 100.0f;
angleY = ((e.getY() - middleY)) / 100.0f;
angle = Math.atan2(angleY, angleX) * 180 / 3.14;
}
public void mousecoord(Atom[] args) {
mousecoord = new float[] {args[0].toFloat(), args[1].toFloat(), args[2].toFloat()};
double r =
Math.sqrt(
(args[0].toFloat() * args[0].toFloat()) + (args[1].toFloat() * args[1].toFloat()));
double d = Math.atan2(args[1].toFloat(), args[0].toFloat());
}
public boolean stopdrag(float[] mc) {
double r = Math.sqrt((mc[0] * mc[0]) + (mc[1] * mc[1]));
double d = Math.atan2(mc[1], mc[0]);
polar[0] = (Math.round(d * 100.00)) / 100.00;
polar[1] = r;
return r > 0.8;
}
/**
* Overrides TPoint showCoordinates method.
*
* @param vidPanel the video panel
*/
public void showCoordinates(VideoPanel vidPanel) {
// put values into pointmass x and y fields
Point2D p = getWorldPosition(vidPanel);
track.xField.setValue(p.getX());
track.yField.setValue(p.getY());
track.magField.setValue(p.distance(0, 0));
double theta = Math.atan2(p.getY(), p.getX());
track.angleField.setValue(theta);
super.showCoordinates(vidPanel);
}
public void mousePressed(MouseEvent e) {
requestFocus();
Point p = e.getPoint();
int size =
Math.min(
MAX_SIZE,
Math.min(
getWidth() - imagePadding.left - imagePadding.right,
getHeight() - imagePadding.top - imagePadding.bottom));
p.translate(-(getWidth() / 2 - size / 2), -(getHeight() / 2 - size / 2));
if (mode == ColorPicker.BRI || mode == ColorPicker.SAT) {
// the two circular views:
double radius = ((double) size) / 2.0;
double x = p.getX() - size / 2.0;
double y = p.getY() - size / 2.0;
double r = Math.sqrt(x * x + y * y) / radius;
double theta = Math.atan2(y, x) / (Math.PI * 2.0);
if (r > 1) r = 1;
if (mode == ColorPicker.BRI) {
setHSB((float) (theta + .25f), (float) (r), bri);
} else {
setHSB((float) (theta + .25f), sat, (float) (r));
}
} else if (mode == ColorPicker.HUE) {
float s = ((float) p.x) / ((float) size);
float b = ((float) p.y) / ((float) size);
if (s < 0) s = 0;
if (s > 1) s = 1;
if (b < 0) b = 0;
if (b > 1) b = 1;
setHSB(hue, s, b);
} else {
int x2 = p.x * 255 / size;
int y2 = p.y * 255 / size;
if (x2 < 0) x2 = 0;
if (x2 > 255) x2 = 255;
if (y2 < 0) y2 = 0;
if (y2 > 255) y2 = 255;
if (mode == ColorPicker.RED) {
setRGB(red, x2, y2);
} else if (mode == ColorPicker.GREEN) {
setRGB(x2, green, y2);
} else {
setRGB(x2, y2, blue);
}
}
}
/**
* @author Bogdan Sliptsov
* <p>Calculates the distance in km between two lat/long points using the haversine formula
*/
public double distanceGPS(double lat1, double lng1, double lat2, double lng2) {
int r = 6371; // average radius of the Earth in km
double dLat = Math.toRadians(lat2 - lat1);
double dLon = Math.toRadians(lng2 - lng1);
double a =
Math.sin(dLat / 2) * Math.sin(dLat / 2)
+ Math.cos(Math.toRadians(lat1))
* Math.cos(Math.toRadians(lat2))
* Math.sin(dLon / 2)
* Math.sin(dLon / 2);
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
double d = r * c;
return d;
}
private Point teleport(Point location, double offset, Map<Integer, Point> id_lut) {
Point self = id_lut.get(self_id);
double x = Math.max(Math.min(location.x, 20), 0);
double y = Math.max(Math.min(location.y, 20), 0);
double dx = x - self.x;
double dy = y - self.y;
double r = Math.hypot(dx, dy) - offset;
if (Math.abs(r) > 6) {
r = Math.signum(r) * 6;
}
double th = Math.atan2(dy, dx);
return new Point(r * Math.cos(th), r * Math.sin(th), self_id);
}
SeqNode(float _x, float _y, float _z, float _size, String _name) {
coords = new float[] {_x, _y, _z};
double r = Math.sqrt((_x * _x) + (_y * _y));
double d = Math.atan2(_y, _x);
polar = new double[] {d, r};
polar[0] = (Math.round(d * 100.00)) / 100.00;
size = _size;
hover = false;
triggered = false;
selected = false;
name = _name;
}
/** Inform all registered MeasureToolListeners of a new distance. */
private void reportDistance(boolean finalDistance) {
if (dragStartPos == null || dragCurrentPos == null) return;
final double dx = dragCurrentPos.x - dragStartPos.x;
final double dy = dragCurrentPos.y - dragStartPos.y;
final double d = Math.sqrt(dx * dx + dy * dy);
final double angle = Math.atan2(dy, dx);
Iterator iterator = this.listeners.iterator();
while (iterator.hasNext()) {
MeasureToolListener listener = (MeasureToolListener) iterator.next();
if (finalDistance) listener.newDistance(d, angle, this.mapComponent);
else listener.distanceChanged(d, angle, this.mapComponent);
}
}
public static void main(String[] argv) {
// Random seed for generation.
UniformRandom.set_seed(System.currentTimeMillis());
// Start with a random unit length vector: a random angle.
double theta = UniformRandom.uniform(0, 2.0 * Math.PI);
double[] x = new double[2];
x[0] = Math.cos(theta);
x[1] = Math.sin(theta);
// Find perpendicular unit length vector by adding 90-deg
double[] y = new double[2];
y[0] = Math.cos(theta + Math.PI / 2);
y[1] = Math.sin(theta + Math.PI / 2);
// Test.
double xDoty = MatrixTool.dotProduct(x, y);
System.out.println("x dot y = " + xDoty);
// Make the matrix with x and y as columns.
double[][] A = new double[2][2];
A[0][0] = x[0];
A[1][0] = x[1];
A[0][1] = y[0];
A[1][1] = y[1];
double delTheta = 0.1;
double[] u = new double[2];
Function F = new Function("alpha vs theta");
for (theta = 0; theta <= 2 * Math.PI; theta += delTheta) {
// Generate next vector along unit circle.
u[0] = Math.cos(theta);
u[1] = Math.sin(theta);
// Apply A to u.
double[] z = MatrixTool.matrixVectorMult(A, u);
double alpha = Math.atan2(z[1], z[0]);
// Get z's angle.
alpha = fixAngle(alpha);
// Add to data set.
F.add(theta, alpha);
}
// Plot data set.
F.show();
}
public void navigateRobot() {
System.out.println("Path Index: " + pathIndex);
System.out.println("goalPath Size: " + goalPath.size());
System.out.println("locX, locY, locTheta" + locX + ", " + locY + ", " + locTheta);
System.out.println("goalX, goalY, goalTheta: " + goalX + ", " + goalY + ", " + goalTheta);
if (goalPath.size() > 0 && !done) {
if (pathIndex < goalPath.size() - 1
&& Math.abs(goalX - locX) < 0.2
&& Math.abs(goalY - locY) < 0.2) {
pathIndex++;
}
if (pathIndex == goalPath.size() - 1
&& Math.abs(goalX - locX) < 0.05
&& Math.abs(goalY - locY) < 0.05) {
pathIndex++;
}
if (pathIndex >= goalPath.size()) {
done = true;
setVelocities(0.0, 0.0);
}
goalX = goalPath.get(pathIndex).x;
goalY = goalPath.get(pathIndex).y;
goalTheta = Math.atan2(goalY - locY, goalX - locX);
if (goalTheta < 0) {
goalTheta += 2 * Math.PI;
}
double error = goalTheta - locTheta;
if (error > Math.PI) {
error -= 2 * Math.PI;
} else if (error < -Math.PI) {
error += 2 * Math.PI;
}
if (Math.abs(error) < Math.PI / 8.0) {
setVelocities(0.3, anglePID.update(error));
} else {
setVelocities(0, anglePID.update(error));
}
// setVelocities(0.2, anglePID.update(error));
}
}
public int filterRGB(int x, int y, int rgb) {
float dx = x - centreX;
float dy = y - centreY;
float distance = dx * dx + dy * dy;
float angle = (float) Math.atan2(dy, dx);
float d = (angle + ImageMath.PI) / (ImageMath.TWO_PI) * rays;
int i = (int) d;
float f = d - i;
if (radius != 0) {
float length = ImageMath.lerp(f, rayLengths[i % rays], rayLengths[(i + 1) % rays]);
float g = length * length / (distance + 0.0001f);
g = (float) Math.pow(g, (100 - amount) / 50.0);
f -= 0.5f;
// f *= amount/50.0f;
f = 1 - f * f;
f *= g;
}
f = ImageMath.clamp(f, 0, 1);
return ImageMath.mixColors(f, rgb, color);
}
private static LinkedList<Point2D> getCirclePoints(
double centerLat, double centerLong, int numberOfPoints, double radius) {
LinkedList<Point2D> Point2Ds = new LinkedList<Point2D>();
double lat1, long1;
double d_rad;
double delta_pts;
double radial, lat_rad, dlon_rad, lon_rad;
// convert coordinates to radians
lat1 = Math.toRadians(centerLat);
long1 = Math.toRadians(centerLong);
// radius is in meters
d_rad = radius / 6378137;
// loop through the array and write points
for (int i = 0; i <= numberOfPoints; i++) {
delta_pts = 360 / (double) numberOfPoints;
radial = Math.toRadians((double) i * delta_pts);
// This algorithm is limited to distances such that dlon < pi/2
lat_rad =
Math.asin(
Math.sin(lat1) * Math.cos(d_rad)
+ Math.cos(lat1) * Math.sin(d_rad) * Math.cos(radial));
dlon_rad =
Math.atan2(
Math.sin(radial) * Math.sin(d_rad) * Math.cos(lat1),
Math.cos(d_rad) - Math.sin(lat1) * Math.sin(lat_rad));
lon_rad = ((long1 + dlon_rad + Math.PI) % (2 * Math.PI)) - Math.PI;
Point2Ds.add(new Point2D.Double(Math.toDegrees(lat_rad), Math.toDegrees(lon_rad)));
}
return Point2Ds;
}
public float evaluate(float x, float y) {
for (int j = 0; j < results.length; j++) results[j].distance = Float.POSITIVE_INFINITY;
int ix = (int) x;
int iy = (int) y;
float fx = x - ix;
float fy = y - iy;
float d = checkCube(fx, fy, ix, iy, results);
if (d > fy) d = checkCube(fx, fy + 1, ix, iy - 1, results);
if (d > 1 - fy) d = checkCube(fx, fy - 1, ix, iy + 1, results);
if (d > fx) {
checkCube(fx + 1, fy, ix - 1, iy, results);
if (d > fy) d = checkCube(fx + 1, fy + 1, ix - 1, iy - 1, results);
if (d > 1 - fy) d = checkCube(fx + 1, fy - 1, ix - 1, iy + 1, results);
}
if (d > 1 - fx) {
d = checkCube(fx - 1, fy, ix + 1, iy, results);
if (d > fy) d = checkCube(fx - 1, fy + 1, ix + 1, iy - 1, results);
if (d > 1 - fy) d = checkCube(fx - 1, fy - 1, ix + 1, iy + 1, results);
}
float t = 0;
for (int i = 0; i < 3; i++) t += coefficients[i] * results[i].distance;
if (angleCoefficient != 0) {
float angle = (float) Math.atan2(y - results[0].y, x - results[0].x);
if (angle < 0) angle += 2 * (float) Math.PI;
angle /= 4 * (float) Math.PI;
t += angleCoefficient * angle;
}
if (gradientCoefficient != 0) {
float a = 1 / (results[0].dy + results[0].dx);
t += gradientCoefficient * a;
}
return t;
}
public void step() {
// This will be the new plant when we are done
StringBuilder newplant = new StringBuilder("");
// Simulate the current plant position
double x = params.startx;
double y = params.starty;
double dir = params.startdir;
Stack<Pos> stack = new Stack<Pos>();
if (verbose) System.out.println("***************");
for (int i = 0; i < plant.length(); i++) {
// Next character
char cur = plant.charAt(i);
boolean step = false;
// always cap the dir
while (dir < Math.PI * -1) dir += 2 * Math.PI;
while (dir > Math.PI) dir -= 2 * Math.PI;
// Go Forward
for (int k = 0; k < params.lenAlphabet.length && !step; k++) {
// Straight Lines is where the GROWING happens!
if (cur == params.lenAlphabet[k]) {
// calculate which side the sun is on (and to what degree it is on that side)
double sundir = Math.atan2(y - suny, x - sunx) * -1;
double diff = dir - sundir;
while (diff < Math.PI * -1) diff += 2 * Math.PI;
while (diff > Math.PI) diff -= 2 * Math.PI;
if (verbose)
System.out.printf(
"(%.2f,%.2f) sundir: %.2f dir: %.2f diff: %.2f\n", x, y, sundir, dir, diff);
// turn left
if (diff < 0) {
newplant.append("aa-[-a+a+a]+[+a-a-a]");
}
// turn right
else {
newplant.append("aa+[+a-a-a]-[-a+a+a]");
}
// we end up moving twice the distance
x += 2 * params.length[k] * Math.cos(dir);
y += 2 * params.length[k] * Math.sin(dir);
step = true;
}
}
// make sure we don't double print the straight lines
if (step) continue;
// Turn Right
for (int k = 0; k < params.lenAlphabet.length && !step; k++) {
if (cur == params.angAlphabetR[k]) {
dir = (dir + params.angle[k]) % (Math.PI * 2);
step = true;
}
}
// Turn Left
for (int k = 0; k < params.lenAlphabet.length && !step; k++) {
if (cur == params.angAlphabetL[k]) {
dir -= params.angle[k];
if (dir < 0.0) dir += Math.PI * 2;
step = true;
}
}
// recursive steps
// add to stack
if (cur == '[') {
stack.push(new Pos(x, y, dir));
}
// pop from stack and go back to that position
if (cur == ']') {
Pos back = stack.pop();
x = back.x;
y = back.y;
dir = back.dir;
}
// Print Out
newplant.append(cur);
}
plant = newplant;
}
public void paint(Graphics g) {
super.paint(g);
Graphics2D g2d = (Graphics2D) g;
c.getAlpha();
g.setFont(font2);
g.setColor(c);
g.drawImage(fon, 0, 0, 1024, 700, null);
if (type_bullet1 == true) g.drawImage(pointer, 30, 550, 49, 47, null);
image_bullet = new Sphere();
g.drawImage(image_bullet.getImage(), 40, 600, 24, 24, null);
g.drawString(Integer.toString(count_sphere), 35, 650);
if (type_bullet2 == true) g.drawImage(pointer, 85, 550, 49, 47, null);
image_bullet = new FireBall();
g.drawImage(image_bullet.getImage(), 95, 600, 24, 24, null);
g.drawString(Integer.toString(count_fireball), 95, 650);
if (type_bullet3 == true) g.drawImage(pointer, 140, 550, 49, 47, null);
image_bullet = new Rocket();
g.drawImage(image_bullet.getImage(), 145, 595, 40, 40, null);
g.drawString(Integer.toString(count_rocket), 150, 650);
distance = 10;
// Draw life
for (int i = 0; i < player_live; i++) {
g.drawImage(live, distance, 10, 11, 57, null);
distance += 20;
}
// Create bullet
for (int i = 0; i < bullet.size(); i++) {
if (type_bullet1 == true && count_sphere > 0) {
g2d.drawImage(
bullet.get(i).getImage(),
(int) bullet.get(i).bullet_x,
(int) bullet.get(i).bullet_y,
this);
}
if (type_bullet2 == true && count_fireball > 0) {
g2d.drawImage(
bullet.get(i).getImage(),
(int) bullet.get(i).bullet_x,
(int) bullet.get(i).bullet_y,
this);
}
if (type_bullet3 == true && count_rocket != 0) {
bullet.get(i).set_rotate(angle);
g2d.setTransform(bullet.get(i).rotateX());
g2d.drawImage(
bullet.get(i).getImage(),
(int) bullet.get(i).bullet_x,
(int) bullet.get(i).bullet_y,
this);
}
}
g2d.setTransform(player.rotateX(angle));
g2d.drawImage(player.getImage(), (int) player.getX(), (int) player.getY(), this);
for (int i = 0; i < v_explosion.size(); i++) {
g.drawImage(explosion, (int) v_explosion.get(i).x, (int) v_explosion.get(i).y, 59, 57, null);
}
for (int i = 0; i < enemy.size(); i++) {
double povorot3 =
Math.atan2(player.getY() - enemy.get(i).getY(), player.getX() - enemy.get(i).getX())
* 180
/ 3.14;
g2d.setTransform(enemy.get(i).rotateX(povorot3)); // new
g2d.drawImage(
enemy.get(i).getImage(), (int) enemy.get(i).getX(), (int) enemy.get(i).getY(), this);
g2d.setTransform(enemy.get(i).rotateX(0)); // new
g.drawString(
Integer.toString(enemy.get(i).get_live()),
(int) enemy.get(i).getX() + (int) enemy.get(i).get_spr_w() / 2,
(int) enemy.get(i).getY());
}
g.setFont(font);
g2d.setTransform(affine);
g.drawString("Level: " + Integer.toString(level), 710, 50);
g.drawString("Next level: " + Integer.toString(time_level), 710, 90);
}
public void compute() {
for (int i = 0; i < bullet.size(); i++) {
bullet.get(i).bullet_x = bullet.get(i).bullet_x + 3 * bullet.get(i).current_direction_x;
bullet.get(i).bullet_y = bullet.get(i).bullet_y + 3 * bullet.get(i).current_direction_y;
}
for (int i = 0; i < bullet.size(); i++) {
if (bullet.get(i).bullet_x > 1366
|| bullet.get(i).bullet_x < 0
|| bullet.get(i).bullet_y > 768
|| bullet.get(i).bullet_y < 0) bullet.remove(i);
}
// Check collision bullet with enemy
for (int i = 0; i < bullet.size(); i++) {
for (int j = 0; j < enemy.size(); j++) {
if (collision.collision_bullet_enemy(
18,
(int) bullet.get(i).bullet_x + 18,
(int) bullet.get(i).bullet_y + 18, // bullet
(int) enemy.get(j).getX(),
(int) enemy.get(j).getY(), // point x1, y1
(int) enemy.get(j).getX() + (int) enemy.get(j).get_spr_w(),
(int) enemy.get(j).getY(), // point x2, y2
(int) enemy.get(j).getX() + (int) enemy.get(j).get_spr_w(),
(int) enemy.get(j).getY() + (int) enemy.get(j).get_spr_h(),
(int) enemy.get(j).getX(),
(int) enemy.get(j).getY() + (int) enemy.get(j).get_spr_h() // point x4, y4
)
== true) {
// create_explosion(bullet.get(i).bullet_x, bullet.get(i).bullet_y);
if (bullet.get(i).get_type() == 's') // simple bullet
{
enemy.get(j).dec_live();
}
if (bullet.get(i).get_type() == 'f') // fireball
{
enemy.get(j).dec_live();
enemy.get(j).dec_live();
}
if (bullet.get(i).get_type() == 'r') // rocket
{
enemy.get(j).dec_live();
enemy.get(j).dec_live();
enemy.get(j).dec_live();
}
if (enemy.get(j).get_live() <= 0) {
enemy.remove(j);
} else // push enemy
{
enemy.get(j).push();
}
bullet.remove(i);
break;
}
}
}
// Преследование игрока
for (int i = 0; i < enemy.size(); i++) {
if (enemy.get(i).get_type() == "enemy1"
|| enemy.get(i).get_type() == "enemy2"
|| enemy.get(i).get_type() == "enemy3") {
angle2 =
Math.atan2(player.getY() - enemy.get(i).getY(), player.getX() - enemy.get(i).getX())
* 180
/ 3.14;
double a = player.getX() - enemy.get(i).getX();
double b = player.getY() - enemy.get(i).getY();
double kvadrat = Math.sqrt((a * a + b * b));
double tempx = a / kvadrat;
double tempy = Math.sqrt(1 - tempx * tempx);
if (b < 0) tempy = -tempy;
enemy.get(i).v_x = enemy.get(i).speed * tempx;
enemy.get(i).v_y = enemy.get(i).speed * tempy;
enemy.get(i).setX((enemy.get(i).getX() + enemy.get(i).speed * tempx));
enemy.get(i).setY((enemy.get(i).getY() + enemy.get(i).speed * tempy));
} else {
if (enemy.get(i).created == false) {
angle2 =
Math.atan2(player.getY() - enemy.get(i).getY(), player.getX() - enemy.get(i).getX())
* 180
/ 3.14;
double a = player.getX() - enemy.get(i).getX();
double b = player.getY() - enemy.get(i).getY();
double kvadrat = Math.sqrt((a * a + b * b));
double tempx = a / kvadrat;
double tempy = Math.sqrt(1 - tempx * tempx);
if (b < 0) tempy = -tempy;
enemy.get(i).v_x = enemy.get(i).speed * tempx;
enemy.get(i).v_y = enemy.get(i).speed * tempy;
enemy.get(i).created = true;
}
enemy.get(i).setX((enemy.get(i).getX() + enemy.get(i).get_vx()));
enemy.get(i).setY((enemy.get(i).getY() + enemy.get(i).get_vy()));
}
}
for (int j = 0; j < enemy.size(); j++) {
if (collision.collision_with_box(
(int) player.getX() + 14,
(int) player.getY() + 28,
(int) player.getX() + 114,
(int) player.getY() + 95,
(int) enemy.get(j).getX() + 22,
(int) enemy.get(j).getY() + 30,
(int) enemy.get(j).getX() + 102,
(int) enemy.get(j).getY() + 96)
== true) {
enemy.remove(j);
player_live--;
if (player_live == 0) {
JOptionPane.showMessageDialog(null, "Game over!");
start_game();
}
}
}
if (time_game > frequency) {
generate_enemy();
time_game = 0;
}
if (left_mouse_pressed == true && allow_shoot == true) {}
time_game += 0.01;
frequency -= 0.0001;
}
/*
* Take a collection of vertices and edges between them,
* and return the minimum area polygon containing all of them.
*
* ArrayList<Mat> vertices = the list of vertices
*
* ArrayList<TreeSet<Integer>> edgesTo = To find the edges connecting to a point indexed i in vertices,
* look in edgesTo.get(i). There you will find a list of indicies
* into vertices, which are the endpoints of the edges. This data
* structure is slow to write, but fast to read.
*/
public static Polygon perimeter(ArrayList<Mat> vertices, ArrayList<TreeSet<Integer>> edgesTo) {
// Find a point guaranteed to be on the perimeter of the polygon, so we can start tracing it
// out
double dist;
double maxDist = -1;
int farPoint = -1;
for (int i = 0; i < vertices.size(); i++) {
dist =
Math.pow(
Math.pow(vertices.get(i).data[0][0], 2) + Math.pow(vertices.get(i).data[1][0], 2),
0.5);
if (dist > maxDist) {
maxDist = dist;
farPoint = i;
}
}
// Trace out the perimeter of the polygon
int vertexStart = farPoint;
int vertex = vertexStart;
int prevVertex = -1;
double prevAngle =
Math.atan2(vertices.get(vertex).data[0][0], vertices.get(vertex).data[1][0]);
double edgeAngle;
double angleDiff;
double minAngleDiff;
int nextVertex = -1;
double nextAngle = -1;
Mat e0, e1;
ArrayList<Mat> perimeter = new ArrayList<Mat>();
while (vertex != vertexStart || prevVertex == -1) {
minAngleDiff = 3 * Math.PI;
System.err.println("v:" + vertex);
e0 = vertices.get(vertex);
// System.err.println(edgesTo.get(vertex));
// Mat.print(System.err, e0);
perimeter.add(e0);
if (perimeter.size() > 100) {
// F**K!
try {
throw new Exception();
} catch (Exception e) {
e.printStackTrace();
System.err.println("hey there");
System.exit(1);
}
}
for (int edgeVertex : edgesTo.get(vertex)) {
e1 = vertices.get(edgeVertex);
edgeAngle = Math.atan2(e1.data[0][0] - e0.data[0][0], e1.data[1][0] - e0.data[1][0]);
angleDiff = edgeAngle - prevAngle;
if (angleDiff < 0) {
angleDiff += 2 * Math.PI;
}
if (angleDiff > 2 * Math.PI) {
angleDiff -= 2 * Math.PI;
}
if (angleDiff < minAngleDiff && edgeVertex != prevVertex) {
minAngleDiff = angleDiff;
nextVertex = edgeVertex;
nextAngle = edgeAngle;
}
}
System.err.println("PERIMETER ITERATION:");
System.err.println("vertexStart = " + vertexStart);
System.err.println("prevVertex = " + prevVertex);
System.err.println("vertex = " + vertex);
System.err.println("nextVertex = " + nextVertex);
System.err.println("");
if (nextAngle > 0) {
prevAngle = nextAngle - Math.PI;
} else {
prevAngle = nextAngle + Math.PI;
}
prevVertex = vertex;
vertex = nextVertex;
}
return new Polygon(perimeter);
}
/**
* Returns the angle of this point in polar coordinates.
*
* @return the angle (in radians) of this point in polar coordiantes (between -pi/2 and pi/2)
*/
public double theta() {
return Math.atan2(y, x);
}
public Shape createStrokedShape(Shape shape) {
GeneralPath result = new GeneralPath();
PathIterator it = new FlatteningPathIterator(shape.getPathIterator(null), FLATNESS);
float points[] = new float[6];
float moveX = 0, moveY = 0;
float lastX = 0, lastY = 0;
float thisX = 0, thisY = 0;
int type = 0;
boolean first = false;
float next = 0;
int phase = 0;
float factor = 1;
while (!it.isDone()) {
type = it.currentSegment(points);
switch (type) {
case PathIterator.SEG_MOVETO:
moveX = lastX = points[0];
moveY = lastY = points[1];
result.moveTo(moveX, moveY);
first = true;
next = wavelength / 2;
break;
case PathIterator.SEG_CLOSE:
points[0] = moveX;
points[1] = moveY;
// Fall into....
case PathIterator.SEG_LINETO:
thisX = points[0];
thisY = points[1];
float dx = thisX - lastX;
float dy = thisY - lastY;
float distance = (float) Math.sqrt(dx * dx + dy * dy);
if (distance >= next) {
float r = 1.0f / distance;
float angle = (float) Math.atan2(dy, dx);
while (distance >= next) {
float x = lastX + next * dx * r;
float y = lastY + next * dy * r;
float tx = amplitude * dy * r;
float ty = amplitude * dx * r;
if ((phase & 1) == 0) result.lineTo(x + amplitude * dy * r, y - amplitude * dx * r);
else result.lineTo(x - amplitude * dy * r, y + amplitude * dx * r);
next += wavelength;
phase++;
}
}
next -= distance;
first = false;
lastX = thisX;
lastY = thisY;
if (type == PathIterator.SEG_CLOSE) result.closePath();
break;
}
it.next();
}
// return stroke.createStrokedShape( result );
return result;
}
public void run() {
setAllColors(Color.GREEN);
setTurnRadarRight(Double.POSITIVE_INFINITY);
double robotX, robotY;
double robotHeading, angleToGoal, angleToObs;
double adjustment;
double obsAngle, obsAdjustment;
double angleDiff;
double speedToGoal, speedFromObs;
Enemy temp;
obstacles = new HashMap<String, Enemy>(10);
while (true) {
if (foundGoal) {
robotX = getX();
robotY = getY();
goalX = obstacles.get(GOAL_NAME).x;
goalY = obstacles.get(GOAL_NAME).y;
// Adjust robocode's returned heading so that 0 aligns with the positive x-axis instead of
// the positive y-axis.
// Also make it so that positive angle indicates a counter clockwise rotation instead of the
// clockwise style
// returned by robocode.
robotHeading = 360 - (getHeading() - 90);
angleToGoal = Math.toDegrees(Math.atan2(goalY - robotY, goalX - robotX));
if (angleToGoal < 0) {
angleToGoal += 360;
}
adjustment = angleToGoal - robotHeading;
adjustment = normalizeAngle(adjustment);
speedToGoal = calcRobotSpeedLinear(robotX, robotY, goalX, goalY);
// Calculate how the robot's heading and speed should be affected by objects that it has
// located
// as it explores the world.
Iterator it = obstacles.entrySet().iterator();
while (it.hasNext()) {
System.out.println("Iterating through objects.");
Map.Entry pairs = (Map.Entry) it.next();
// If the current item in the Iterator isn't the goal.
if (!pairs.getKey().equals(GOAL_NAME)) {
temp = (Enemy) pairs.getValue();
speedFromObs = calcObjRepulseSpeed(robotX, robotY, temp.x, temp.y);
// If the robot is in range of the object to be affected by it's repulsion.
if (speedFromObs != 0) {
obsAngle = Math.toDegrees(Math.atan2(robotY - temp.y, robotX - temp.x));
if (obsAngle < 0) obsAngle += 360;
angleDiff = obsAngle - angleToGoal;
angleDiff = normalizeAngle(angleDiff);
adjustment += (angleDiff * (speedFromObs / speedToGoal));
speedToGoal -= speedFromObs;
}
}
// Was getting a null pointer exception when using this. The internet lied about its
// usefulness.
// it.remove(); // avoids a ConcurrentModificationException
}
adjustment = normalizeAngle(adjustment);
setTurnLeft(adjustment);
// ahead(speedToGoal);
setAhead(speedToGoal);
}
execute();
}
}
/**
* getBestEvadeDirection returns the largest approximate gap to escape. This gap is approximated
* by finding the gaps between all potential collideable objects around the Bucketbot, and
* weighting them positively by size and weighting them inversely by both distance and gapsize.
* The direction bisecting the largest of these weighted gaps is returned.
*
* @param visible_distance how far the Bucketbot can see
* @return best direction to evade
*/
public float getBestEvadeDirection(float visible_distance) {
alphabetsoup.framework.Map map = SimulationWorldSimpleExample.getSimulationWorld().getMap();
// get visible objects within the distance of the next planned update
Collection<Circle> visible_objects =
map.getBucketbotsWithinDistance(getX(), getY(), visible_distance);
if (getBucket() != null)
visible_objects.addAll(map.getBucketsWithinDistance(getX(), getY(), visible_distance));
// if nothing other than bucketbot (and bucket if applicable), keep going in same direction
if ((getBucket() == null && visible_objects.size() <= 1)
|| (getBucket() != null && visible_objects.size() <= 2)) return getDirection();
List<CollideableObject> objects = new ArrayList<CollideableObject>();
// get object distances and directions
for (Circle c : visible_objects) {
if (c == this || c == getBucket()) continue;
float object_direction = (float) Math.atan2(c.getY() - getY(), c.getX() - getX());
objects.add(
new CollideableObject(
2 * c.getRadius(), getDistance(c.getX(), c.getY()), object_direction));
}
// add 4 walls
if (getX() < visible_distance)
objects.add(
new CollideableObject(
(float) (2 * Math.sqrt(visible_distance * visible_distance - getX() * getX())),
getX(),
(float) Math.PI));
if (map.getWidth() - getX() < visible_distance)
objects.add(
new CollideableObject(
(float)
(2
* Math.sqrt(
visible_distance * visible_distance
- (map.getWidth() - getX()) * (map.getWidth() - getX()))),
map.getWidth() - getX(),
0.0f));
if (getY() < visible_distance)
objects.add(
new CollideableObject(
(float) (2 * Math.sqrt(visible_distance * visible_distance - getY() * getY())),
getY(),
(float) (3 * Math.PI / 2)));
if (map.getHeight() - getY() < visible_distance)
objects.add(
new CollideableObject(
(float)
(2
* Math.sqrt(
visible_distance * visible_distance
- (map.getHeight() - getY()) * (map.getHeight() - getY()))),
map.getHeight() - getY(),
(float) Math.PI / 2));
// if no objects, then nothing to collide with
if (objects.size() == 0) return getDirection();
// sort objects by direction, so between each two objects is the smallest real gaps
Collections.sort(objects, objects.get(0));
// add beginning one again
objects.add(
new CollideableObject(
objects.get(0).size,
objects.get(0).distance,
(float) (objects.get(0).direction + 2 * Math.PI)));
// find maximal gap
// start with first gap
float evade_direction = (objects.get(0).direction + objects.get(1).direction) / 2;
double weight =
((objects.get(0).size + objects.get(1).size) / 2)
/ (((objects.get(0).distance + objects.get(1).distance) / 2)
* (objects.get(1).direction - objects.get(0).direction));
// for all after the first gap
for (int i = 1; i < objects.size() - 1; i++) {
// get weight (a heuristic for speed)
float w =
((objects.get(i).size + objects.get(i + 1).size) / 2)
/ (((objects.get(i).distance + objects.get(i + 1).distance) / 2)
* (objects.get(i + 1).direction - objects.get(i).direction));
// if better direction, then choose direction bisecting the two objects
if (w < weight) {
weight = w;
evade_direction = (objects.get(i).direction + objects.get(i + 1).direction) / 2;
}
}
return evade_direction;
}
public void act(BucketbotBase self) {
alphabetsoup.framework.Map map = SimulationWorldSimpleExample.getSimulationWorld().getMap();
float cur_speed = getSpeed(); // called once for code efficiency (since getSpeed does a sqrt)
// find distance to be covered before next planned update
getNextEventTime(curTime);
double time_interval = Math.max(getMinUntil() - curTime, 0.001);
float distance_to_be_covered =
(float) (Math.max(cur_speed, getTargetSpeed()) * time_interval);
distance_to_be_covered +=
2 * getRadius(); // count its radius and the radius of another object
// make sure see at least a minimal distance regardless of speed
float min_visible_distance = 3 * getRadius();
distance_to_be_covered = Math.max(distance_to_be_covered, min_visible_distance);
// get visible objects within the distance of the next planned update
Collection<Circle> visible_objects =
map.getBucketbotsWithinDistance(getX(), getY(), distance_to_be_covered);
if (self.getBucket() != null)
visible_objects.addAll(
map.getBucketsWithinDistance(getX(), getY(), distance_to_be_covered));
// don't want to do anything yet,
// unless something is now visible that wasn't before,
// a collision occured (speed == 0)
// timer is ready to do something else
if (((getBucket() == null && visible_objects.size() == 1)
|| (getBucket() != null && visible_objects.size() == 2))
&& cur_speed > 0.0f
&& curTime < cruiseUntil) return;
// if something other than bucketbot (and bucket if applicable) is near, evade
if ((getBucket() == null && visible_objects.size() > 1)
|| (getBucket() != null && visible_objects.size() > 2)) {
// find closest object
float min_dist2 = Float.POSITIVE_INFINITY; // minimum distance squared
for (Circle c : visible_objects) {
if (c == self || c == self.getBucket()) continue;
// see if infront of bucketbot
float object_direction = (float) Math.atan2(c.getY() - getY(), c.getX() - getX());
float relative_direction = angleDifference(object_direction, getDirection());
if (Math.abs(relative_direction)
> Math.PI / 4 + 0.5) // just beyond 1/4 circle, to make sure they don't get stuck
continue;
// see if it's closer than any other
float dist2 =
(getX() - c.getX()) * (getX() - c.getX()) + (getY() - c.getY()) * (getY() - c.getY());
if (dist2 < min_dist2) min_dist2 = dist2;
}
// if anything is closer than this constant value, then evade...
if (min_dist2 < min_visible_distance * min_visible_distance) {
float new_direction = getBestEvadeDirection(min_visible_distance);
if (getDirection() != new_direction) setDirection(new_direction);
setTargetSpeed(getMaxVelocity());
cruiseUntil = curTime + 0.25f;
frustration = 0.0f;
stateQueue.add(0, bucketbotEvade);
return;
}
}
// if trying to move, but can't try evading
if (cur_speed > 0.0f) {
stuckCount = 0;
} else { // not moving...
stuckCount++;
if (stuckCount > 3) {
frustration = 0.0f;
stateQueue.add(0, bucketbotEvade);
return;
}
}
// find distance to goal
float goal_distance = getDistance(moveToX, moveToY);
// make sure tolerance is less than the map's tolerance/3 to make sure that if it sets a
// bucket down,
// the next one bucketbot will be able to pick it up (and could also be tolerance/3 away)
// better fudge factor than tolerance / 2 (which is the minimum that will work)
float tolerance = map.getTolerance() / 3;
// if close enough to goal and stopped moving, then do next action
if (goal_distance < tolerance && cur_speed == 0.0f) {
frustration = 0.0f;
stateQueue.remove(0);
if (stateQueue.size() > 0) stateQueue.get(0).act(self);
return;
}
// if not facing the right way (within tolerance), or heading outside of the map, turn so it
// is a good direction
double projected_x = getX() + goal_distance * Math.cos(getDirection());
double projected_y = getY() + goal_distance * Math.sin(getDirection());
if ((projected_x - moveToX) * (projected_x - moveToX)
+ (projected_y - moveToY) * (projected_y - moveToY)
>= tolerance * tolerance
|| projected_x + getRadius() > map.getWidth()
|| projected_x - getRadius() < 0.0
|| projected_y + getRadius() > map.getHeight()
|| projected_y - getRadius() < 0.0) {
setDirection((float) Math.atan2(moveToY - getY(), moveToX - getX()));
if (cur_speed > 0) setTargetSpeed(0.0f);
cruiseUntil = getAccelerateUntil();
return;
}
// going the right direction -now figure out speed
// if too close to stop, then stop as fast as possible
float decel_time = cur_speed / getMaxAcceleration();
float decel_distance = getMaxAcceleration() / 2 * decel_time * decel_time;
if (cur_speed > 0.0f && decel_distance > goal_distance) {
setTargetSpeed(0.0f);
cruiseUntil = getAccelerateUntil();
frustration = (frustration + 1.0f) / 2;
return;
}
// get new velocity based on frustration
float cur_vel = getMaxVelocity() * Math.max(1.0f - frustration, 0.0078125f);
setTargetSpeed(cur_vel);
// see if have room to accelerate to full speed and still decelerate
float accel_time = getTargetSpeedDifference() / getMaxAcceleration();
float accel_distance =
cur_speed * accel_time + getMaxAcceleration() / 2 * accel_time * accel_time;
decel_time = cur_vel / getMaxAcceleration();
decel_distance = getMaxAcceleration() / 2 * accel_time * accel_time;
// if enough room to fully accelerate, do so
if (accel_distance + decel_distance <= goal_distance) cruiseUntil = getAccelerateUntil();
else { // don't have time to fully accelerate
// having this code spread out with sub-steps dramatically helps the java compiler have
// better performance
double cos_dir = Math.cos(getDirection());
double sin_dir = Math.sin(getDirection());
double x_accel = getMaxAcceleration() * cos_dir;
double y_accel = getMaxAcceleration() * sin_dir;
if (Math.abs(x_accel) > Math.abs(y_accel)) {
double x_goal = goal_distance * cos_dir;
cruiseUntil =
curTime
+ sqrt2
* (Math.sqrt(2 * x_accel * x_goal + getXVelocity() * getXVelocity())
- sqrt2 * getXVelocity())
/ (2 * x_accel);
} else {
double y_goal = goal_distance * sin_dir;
cruiseUntil =
curTime
+ sqrt2
* (Math.sqrt(2 * y_accel * y_goal + getYVelocity() * getYVelocity())
- sqrt2 * getYVelocity())
/ (2 * y_accel);
}
}
} // act()
/** Regenerates the image. */
private synchronized void regenerateImage() {
int size =
Math.min(
MAX_SIZE,
Math.min(
getWidth() - imagePadding.left - imagePadding.right,
getHeight() - imagePadding.top - imagePadding.bottom));
if (mode == ColorPicker.BRI || mode == ColorPicker.SAT) {
float bri2 = this.bri;
float sat2 = this.sat;
float radius = ((float) size) / 2f;
float hue2;
float k = 1.2f; // the number of pixels to antialias
for (int y = 0; y < size; y++) {
float y2 = (y - size / 2f);
for (int x = 0; x < size; x++) {
float x2 = (x - size / 2f);
double theta = Math.atan2(y2, x2) - 3 * Math.PI / 2.0;
if (theta < 0) theta += 2 * Math.PI;
double r = Math.sqrt(x2 * x2 + y2 * y2);
if (r <= radius) {
if (mode == ColorPicker.BRI) {
hue2 = (float) (theta / (2 * Math.PI));
sat2 = (float) (r / radius);
} else { // SAT
hue2 = (float) (theta / (2 * Math.PI));
bri2 = (float) (r / radius);
}
row[x] = Color.HSBtoRGB(hue2, sat2, bri2);
if (r > radius - k) {
int alpha = (int) (255 - 255 * (r - radius + k) / k);
if (alpha < 0) alpha = 0;
if (alpha > 255) alpha = 255;
row[x] = row[x] & 0xffffff + (alpha << 24);
}
} else {
row[x] = 0x00000000;
}
}
image.getRaster().setDataElements(0, y, size, 1, row);
}
} else if (mode == ColorPicker.HUE) {
float hue2 = this.hue;
for (int y = 0; y < size; y++) {
float y2 = ((float) y) / ((float) size);
for (int x = 0; x < size; x++) {
float x2 = ((float) x) / ((float) size);
row[x] = Color.HSBtoRGB(hue2, x2, y2);
}
image.getRaster().setDataElements(0, y, image.getWidth(), 1, row);
}
} else { // mode is RED, GREEN, or BLUE
int red2 = red;
int green2 = green;
int blue2 = blue;
for (int y = 0; y < size; y++) {
float y2 = ((float) y) / ((float) size);
for (int x = 0; x < size; x++) {
float x2 = ((float) x) / ((float) size);
if (mode == ColorPicker.RED) {
green2 = (int) (x2 * 255 + .49);
blue2 = (int) (y2 * 255 + .49);
} else if (mode == ColorPicker.GREEN) {
red2 = (int) (x2 * 255 + .49);
blue2 = (int) (y2 * 255 + .49);
} else {
red2 = (int) (x2 * 255 + .49);
green2 = (int) (y2 * 255 + .49);
}
row[x] = 0xFF000000 + (red2 << 16) + (green2 << 8) + blue2;
}
image.getRaster().setDataElements(0, y, size, 1, row);
}
}
repaint();
}
public void func_70071_h_() {
if (!field_70170_p.field_72995_K
&& (field_70235_a != null && field_70235_a.field_70128_L
|| !field_70170_p.func_72899_e(
(int) field_70165_t, (int) field_70163_u, (int) field_70161_v))) {
func_70106_y();
return;
}
super.func_70071_h_();
func_70015_d(1);
if (field_70238_i) {
int i = field_70170_p.func_72798_a(field_70231_e, field_70228_f, field_70229_g);
if (i == field_70237_h) {
field_70236_j++;
if (field_70236_j == 600) {
func_70106_y();
}
return;
}
field_70238_i = false;
field_70159_w *= field_70146_Z.nextFloat() * 0.2F;
field_70181_x *= field_70146_Z.nextFloat() * 0.2F;
field_70179_y *= field_70146_Z.nextFloat() * 0.2F;
field_70236_j = 0;
field_70234_an = 0;
} else {
field_70234_an++;
}
Vec3 vec3 = Vec3.func_72437_a().func_72345_a(field_70165_t, field_70163_u, field_70161_v);
Vec3 vec3_1 =
Vec3.func_72437_a()
.func_72345_a(
field_70165_t + field_70159_w,
field_70163_u + field_70181_x,
field_70161_v + field_70179_y);
MovingObjectPosition movingobjectposition = field_70170_p.func_72933_a(vec3, vec3_1);
vec3 = Vec3.func_72437_a().func_72345_a(field_70165_t, field_70163_u, field_70161_v);
vec3_1 =
Vec3.func_72437_a()
.func_72345_a(
field_70165_t + field_70159_w,
field_70163_u + field_70181_x,
field_70161_v + field_70179_y);
if (movingobjectposition != null) {
vec3_1 =
Vec3.func_72437_a()
.func_72345_a(
movingobjectposition.field_72307_f.field_72450_a,
movingobjectposition.field_72307_f.field_72448_b,
movingobjectposition.field_72307_f.field_72449_c);
}
Entity entity = null;
List list =
field_70170_p.func_72839_b(
this,
field_70121_D
.func_72321_a(field_70159_w, field_70181_x, field_70179_y)
.func_72314_b(1.0D, 1.0D, 1.0D));
double d = 0.0D;
Iterator iterator = list.iterator();
do {
if (!iterator.hasNext()) {
break;
}
Entity entity1 = (Entity) iterator.next();
if (entity1.func_70067_L()
&& (!entity1.func_70028_i(field_70235_a) || field_70234_an >= 25)) {
float f2 = 0.3F;
AxisAlignedBB axisalignedbb = entity1.field_70121_D.func_72314_b(f2, f2, f2);
MovingObjectPosition movingobjectposition1 = axisalignedbb.func_72327_a(vec3, vec3_1);
if (movingobjectposition1 != null) {
double d1 = vec3.func_72438_d(movingobjectposition1.field_72307_f);
if (d1 < d || d == 0.0D) {
entity = entity1;
d = d1;
}
}
}
} while (true);
if (entity != null) {
movingobjectposition = new MovingObjectPosition(entity);
}
if (movingobjectposition != null) {
func_70227_a(movingobjectposition);
}
field_70165_t += field_70159_w;
field_70163_u += field_70181_x;
field_70161_v += field_70179_y;
float f =
MathHelper.func_76133_a(field_70159_w * field_70159_w + field_70179_y * field_70179_y);
field_70177_z =
(float) ((Math.atan2(field_70159_w, field_70179_y) * 180D) / 3.1415927410125732D);
for (field_70125_A = (float) ((Math.atan2(field_70181_x, f) * 180D) / 3.1415927410125732D);
field_70125_A - field_70127_C < -180F;
field_70127_C -= 360F) {}
for (; field_70125_A - field_70127_C >= 180F; field_70127_C += 360F) {}
for (; field_70177_z - field_70126_B < -180F; field_70126_B -= 360F) {}
for (; field_70177_z - field_70126_B >= 180F; field_70126_B += 360F) {}
field_70125_A = field_70127_C + (field_70125_A - field_70127_C) * 0.2F;
field_70177_z = field_70126_B + (field_70177_z - field_70126_B) * 0.2F;
float f1 = 0.95F;
if (func_70090_H()) {
for (int j = 0; j < 4; j++) {
float f3 = 0.25F;
field_70170_p.func_72869_a(
"bubble",
field_70165_t - field_70159_w * (double) f3,
field_70163_u - field_70181_x * (double) f3,
field_70161_v - field_70179_y * (double) f3,
field_70159_w,
field_70181_x,
field_70179_y);
}
f1 = 0.8F;
}
field_70159_w += field_70232_b;
field_70181_x += field_70233_c;
field_70179_y += field_70230_d;
field_70159_w *= f1;
field_70181_x *= f1;
field_70179_y *= f1;
field_70170_p.func_72869_a(
"smoke", field_70165_t, field_70163_u + 0.5D, field_70161_v, 0.0D, 0.0D, 0.0D);
func_70107_b(field_70165_t, field_70163_u, field_70161_v);
}
/**
* Returns the angle between this point and that point.
*
* @return the angle in radians (between -pi and pi) between this point and that point (0 if
* equal)
*/
private double angleTo(Point2D that) {
double dx = that.x - this.x;
double dy = that.y - this.y;
return Math.atan2(dy, dx);
}
