private void spawnRandomers() {
for (int i = 0; i < randomN; i++) {
float x = (float) Math.random() * width;
float y = (float) Math.random() * height;
float r =
(float)
Math.sqrt(
Math.pow(((Player) players.get(0)).getX() - x, 2)
+ Math.pow(((Player) players.get(0)).getY() - x, 2));
while (r < distanceLimit) {
x = (float) Math.random() * width;
y = (float) Math.random() * height;
r =
(float)
Math.sqrt(
Math.pow(((Player) players.get(0)).getX() - x, 2)
+ Math.pow(((Player) players.get(0)).getY() - y, 2));
}
enemies.add(new EnemyTypes.Random(x, y, 0.5f, borders));
}
spawnRandomersB = false;
}
public void EMpar(Database db, double prior) {
int j, np;
double x, y, tmp, tmpx, tmpy, tmpsx, tmpsy, tmpsxy;
np = db.nPoints();
tmpsx = tmpsy = tmpsxy = kmx = kmy = 0;
for (j = 0; j < np; j++) {
x = db.xVal(j);
y = db.yVal(j);
kmx += probs[j] * x;
kmy += probs[j] * y;
tmpsx += probs[j] * x * x;
tmpsy += probs[j] * y * y;
tmpsxy += probs[j] * x * y;
}
tmp = np * weight;
kmx /= tmp;
kmy /= tmp;
ksx = Math.sqrt(tmpsx / tmp - kmx * kmx);
ksy = Math.sqrt(tmpsy / tmp - kmy * kmy);
ksxy = tmpsxy / tmp - kmx * kmy;
if (ksx < mins) ksx = mins;
if (ksy < mins) ksy = mins;
weight = 0.9 * weight + 0.1 * prior;
}
private PPath redrawArrows(double... curve) {
double[] sub = subdivide(curve, ARROW_LENGTH);
double x1 = sub[0];
double y1 = sub[1];
double x4 = sub[6];
double y4 = sub[7];
Point2D e = makeDistanceFromOrigin(x1 - x4, y1 - y4, ARROW_LENGTH);
x1 = x4 + e.getX();
y1 = y4 + e.getY();
// arrow tails
double m = (y4 - y1) / (x4 - x1);
double at_x1 = x1 + m * ARROW_WIDTH / Math.sqrt(m * m + 1);
double at_y1 = y1 - ARROW_WIDTH / Math.sqrt(m * m + 1);
double at_x2 = x1 - m * ARROW_WIDTH / Math.sqrt(m * m + 1);
double at_y2 = y1 + ARROW_WIDTH / Math.sqrt(m * m + 1);
a1.reset();
a1.moveTo((float) at_x1, (float) at_y1);
a1.lineTo((float) at_x2, (float) at_y2);
a1.lineTo((float) x4, (float) y4);
a1.lineTo((float) at_x1, (float) at_y1);
return a1;
}
private void renderPin(GL gl, Coordinates position, float[] color, float size) {
float height = heightmap.getHeight(projection.getGeoCoordinates(position));
gl.glPushMatrix();
double[] model = new double[16];
gl.glGetDoublev(GL_MODELVIEW_MATRIX, model, 0);
double zoomH =
0.1 / Math.sqrt((model[0] * model[0]) + (model[1] * model[1]) + (model[2] * model[2]));
double zoomZ =
0.1 / Math.sqrt((model[8] * model[8]) + (model[9] * model[9]) + (model[10] * model[10]));
gl.glTranslatef(position.getLongitude(), position.getLatitude(), height);
gl.glScaled(zoomH * size, zoomH * size, zoomZ * size);
gl.glDisable(GL_TEXTURE_2D);
gl.glRotatef(20, 0.3f, 1, 0);
GLU glu = new GLU();
GLUquadric quadric = glu.gluNewQuadric();
// glu.gluQuadricNormals(quadric, GLU.GLU_FLAT);
gl.glColor3f(0.5f, 0.5f, 0.5f);
gl.glEnable(GL_LIGHTING);
glu.gluCylinder(quadric, 0.03, 0.03, 0.6f, 5, 1);
gl.glTranslatef(0, 0, 0.6f);
gl.glColor3f(color[0], color[1], color[2]);
gl.glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glu.gluSphere(quadric, 0.12, 8, 8);
// glu.gluCylinder(quadric, 0.2, 0.1, 0.5, 8, 1);
gl.glDisable(GL_LIGHTING);
glu.gluDeleteQuadric(quadric);
gl.glPopMatrix();
}
public void mouseDragged(MouseEvent evt) {
Graphics g = canvas.getGraphics();
g.setColor(color);
if (type == 0) {
g.setXORMode(canvas.getBackground());
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
end = evt.getPoint();
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
} else if (type == 1) {
int radius;
g.setXORMode(canvas.getBackground());
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
end = evt.getPoint();
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
} else if (type == 2) {
g.setXORMode(canvas.getBackground());
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
end = evt.getPoint();
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
}
}
private void getintbright() {
weights = new float[ncurves][xpts][ypts];
for (int i = 0; i < ncurves; i++) {
nmeas[i] = 0;
for (int j = 0; j < xpts; j++) {
for (int k = 0; k < ypts; k++) {
nmeas[i] += (int) pch[i][j][k];
}
}
double tempavg = 0.0;
double tempavg2 = 0.0;
double temp2avg = 0.0;
double temp2avg2 = 0.0;
double tempccavg = 0.0;
for (int j = 0; j < xpts; j++) {
for (int k = 0; k < ypts; k++) {
double normed = (double) pch[i][j][k] / (double) nmeas[i];
if (pch[i][j][k] > 0.0f) {
weights[i][j][k] = (float) ((double) nmeas[i] / (normed * (1.0f - normed)));
} else {
weights[i][j][k] = 1.0f;
}
tempavg += normed * (double) j;
tempavg2 += normed * (double) j * (double) j;
temp2avg += normed * (double) k;
temp2avg2 += normed * (double) k * (double) k;
tempccavg += normed * (double) k * (double) j;
}
}
tempccavg -= tempavg * temp2avg;
brightcc[i] = tempccavg / Math.sqrt(tempavg * temp2avg);
tempavg2 -= tempavg * tempavg;
tempavg2 /= tempavg;
bright1[i] = (tempavg2 - 1.0);
temp2avg2 -= temp2avg * temp2avg;
temp2avg2 /= temp2avg;
bright2[i] = (temp2avg2 - 1.0);
intensity1[i] = tempavg;
intensity2[i] = temp2avg;
if (psfflag == 0) {
bright1[i] /= 0.3536;
bright2[i] /= 0.3536;
brightcc[i] /= 0.3536;
} else {
if (psfflag == 1) {
bright1[i] /= 0.078;
bright2[i] /= 0.078;
brightcc[i] /= 0.078;
} else {
bright1[i] /= 0.5;
bright2[i] /= 0.5;
brightcc[i] /= 0.5;
}
}
number1[i] = intensity1[i] / bright1[i];
number2[i] = intensity2[i] / bright2[i];
brightmincc[i] = (bright1[i] * beta) * Math.sqrt(intensity1[i] / intensity2[i]);
}
}
/**
* Constructs OscillatorsMode with the given mode and number of particles.
*
* <p>The particle separation is one in this model.
*
* @param mode int
* @param N int
*/
OscillatorsMode(int mode, int N) {
amplitude = Math.sqrt(2.0 / (N + 1));
omega = 2 * Math.sqrt(OMEGA_SQUARED) * Math.abs(Math.sin(mode * Math.PI / N / 2));
wavenumber = Math.PI * mode / (N + 1);
functionDrawer = new FunctionDrawer(this);
functionDrawer.initialize(0, N + 1, 300, false); // draws the initial displacement
functionDrawer.color = Color.LIGHT_GRAY;
}
static Rgb hisToRgb(double h, double i, double s) {
double m1, m2, i1;
m1 = s * Math.sin(h * Math.PI / 180);
m2 = s * Math.cos(h * Math.PI / 180);
i1 = i / Math.sqrt(3);
Rgb rgb = new Rgb();
rgb.r = m1 * 2 / Math.sqrt(6) + i1 / Math.sqrt(3);
rgb.g = -m1 / Math.sqrt(6) + m2 / Math.sqrt(2) + i1 / Math.sqrt(3);
rgb.b = -m1 / Math.sqrt(6) - m2 / Math.sqrt(2) + i1 / Math.sqrt(3);
rgb.r = rgb.r / 2 + 0.5;
rgb.g = rgb.g / 2 + 0.5;
rgb.b = rgb.b / 2 + 0.5;
if (rgb.r > 1) rgb.r = 1;
if (rgb.r < 0) rgb.r = 0;
if (rgb.g > 1) rgb.g = 1;
if (rgb.g < 0) rgb.g = 0;
if (rgb.b > 1) rgb.b = 1;
if (rgb.b < 0) rgb.b = 0;
return rgb;
}
public YIntervalSeries getYIntervalSeries(String rowname, long factor) {
YIntervalSeries mydataset = new YIntervalSeries(rowname);
double sdcount = 0;
double total = 0;
Vector<Double> totalvalues = new Vector<Double>();
double avgtotal = 0;
double minus = 0;
double plus = 0;
double zero = 0;
for (Integer key : ysum.keySet()) {
Double value = ysum.get(key) / (double) count.get(key);
Double point = (double) xsum.get(key) / (double) count.get(key);
Vector<Double> listofvalues = values.get(key);
double sumofdiff = 0.0;
for (Double onevalue : listofvalues) {
sumofdiff += Math.pow(onevalue - value, 2);
sdcount++;
total += Math.pow(onevalue, 2);
avgtotal += onevalue;
totalvalues.add(onevalue);
if (onevalue == 1) {
plus++;
}
;
if (onevalue == -1) {
minus++;
}
;
if (onevalue == 0) {
zero++;
}
;
}
double sd = Math.sqrt(sumofdiff / count.get(key));
// mydataset.add(point/factor, value,value+sd,value-sd);
// mydataset.add(point/factor, value,value,value);
mydataset.add(
point / factor,
value,
value + 1.96 * (sd / Math.sqrt(count.get(key))),
value - 1.96 * (sd / Math.sqrt(count.get(key))));
}
double sdtotal = 0;
double avgsd = total / sdcount;
double test = 0;
for (Double onevalue : totalvalues) {
sdtotal += Math.pow(Math.pow(onevalue, 2) - (total / sdcount), 2);
test += onevalue;
}
// System.out.println(rowname+" mean square: "+avgsd+"
// +/-95%:"+1.96*Math.sqrt(sdtotal/sdcount)/Math.sqrt(sdcount));
// System.out.println("total -1:"+minus+" total +1:"+plus+" zero: "+zero
// +" total:"+sdcount);
return mydataset;
}
public static double getDistanceBetweenLatLons(
double lat1, double lon1, double lat2, double lon2) {
double dLat = lat2 - lat1;
double dLon = lon2 - lon1;
double a =
Math.sin(Math.toRadians(dLat) / 2D) * Math.sin(Math.toRadians(dLat) / 2D)
+ Math.cos(Math.toRadians(lat1))
* Math.cos(Math.toRadians(lat2))
* Math.sin(Math.toRadians(dLon) / 2D)
* Math.sin(Math.toRadians(dLon) / 2D);
return 12742D * Math.atan2(Math.sqrt(a), Math.sqrt(1.0D - a));
}
public void paint(Graphics g, Database db) {
int j;
double theta, u1x, u1y, u2x, u2y, r1, r2, tmp, varx, vary;
if (Math.abs(ksxy) <= 1e-4) {
if (ksx > ksy) {
u1x = u2y = 1;
u1y = u2x = 0;
r1 = ksx;
r2 = ksy;
} else {
u1x = u2y = 0;
u1y = u2x = 1;
r1 = ksy;
r2 = ksx;
}
} else {
varx = ksx * ksx;
vary = ksy * ksy;
// eigen value
tmp = varx - vary;
tmp = Math.sqrt(tmp * tmp + 4 * ksxy * ksxy);
r1 = Math.sqrt((varx + vary + tmp) / 2);
r2 = Math.sqrt((varx + vary - tmp) / 2);
// eigen vectors
u1x = r1 * r1 - vary;
tmp = Math.sqrt(u1x * u1x + ksxy * ksxy);
u1x /= tmp;
u1y = ksxy / tmp;
u2x = r2 * r2 - vary;
tmp = Math.sqrt(u2x * u2x + ksxy * ksxy);
u2x /= tmp;
u2y = ksxy / tmp;
}
g.setColor(Color.red);
g.drawString(weight + "", (int) kmx, (int) kmy);
g.setColor(Color.blue);
if (plotcircle) {
for (j = 1; j < 4; j++) {
drawCurvedOval(g, u1x, u1y, u2x, u2y, r1 * j, r2 * j);
}
} else {
g.drawLine(
(int) (kmx + 3 * r1 * u1x),
(int) (kmy + 3 * r1 * u1y),
(int) (kmx - 3 * r1 * u1x),
(int) (kmy - 3 * r1 * u1y));
}
}
/* Creates a spline fitted polygon with one pixel segment lengths
that can be retrieved using the getFloatPolygon() method. */
public void fitSplineForStraightening() {
fitSpline((int) getUncalibratedLength() * 2);
if (splinePoints == 0) return;
float[] xpoints = new float[splinePoints * 2];
float[] ypoints = new float[splinePoints * 2];
xpoints[0] = xSpline[0];
ypoints[0] = ySpline[0];
int n = 1, n2;
double inc = 0.01;
double distance = 0.0, distance2 = 0.0, dx = 0.0, dy = 0.0, xinc, yinc;
double x, y, lastx, lasty, x1, y1, x2 = xSpline[0], y2 = ySpline[0];
for (int i = 1; i < splinePoints; i++) {
x1 = x2;
y1 = y2;
x = x1;
y = y1;
x2 = xSpline[i];
y2 = ySpline[i];
dx = x2 - x1;
dy = y2 - y1;
distance = Math.sqrt(dx * dx + dy * dy);
xinc = dx * inc / distance;
yinc = dy * inc / distance;
lastx = xpoints[n - 1];
lasty = ypoints[n - 1];
// n2 = (int)(dx/xinc);
n2 = (int) (distance / inc);
if (splinePoints == 2) n2++;
do {
dx = x - lastx;
dy = y - lasty;
distance2 = Math.sqrt(dx * dx + dy * dy);
// IJ.log(i+" "+IJ.d2s(xinc,5)+" "+IJ.d2s(yinc,5)+" "+IJ.d2s(distance,2)+"
// "+IJ.d2s(distance2,2)+" "+IJ.d2s(x,2)+" "+IJ.d2s(y,2)+" "+IJ.d2s(lastx,2)+"
// "+IJ.d2s(lasty,2)+" "+n+" "+n2);
if (distance2 >= 1.0 - inc / 2.0 && n < xpoints.length - 1) {
xpoints[n] = (float) x;
ypoints[n] = (float) y;
// IJ.log("--- "+IJ.d2s(x,2)+" "+IJ.d2s(y,2)+" "+n);
n++;
lastx = x;
lasty = y;
}
x += xinc;
y += yinc;
} while (--n2 > 0);
}
xSpline = xpoints;
ySpline = ypoints;
splinePoints = n;
}
/**
* Sets one or more icons for the Display.
*
* <ul>
* <li>On Windows you should supply at least one 16x16 icon and one 32x32.
* <li>Linux (and similar platforms) expect one 32x32 icon.
* <li>Mac OS X should be supplied one 128x128 icon
* </ul>
*
* The implementation will use the supplied ByteBuffers with image data in RGBA and perform any
* conversions nescesarry for the specific platform.
*
* @param icons Array of icons in RGBA mode
* @return number of icons used.
*/
public int setIcon(ByteBuffer[] icons) {
boolean done_small = false;
boolean done_large = false;
int used = 0;
int small_icon_size = 16;
int large_icon_size = 32;
for (ByteBuffer icon : icons) {
int size = icon.limit() / 4;
if ((((int) Math.sqrt(size)) == small_icon_size) && (!done_small)) {
long small_new_icon = createIcon(small_icon_size, small_icon_size, icon.asIntBuffer());
sendMessage(hwnd, WM_SETICON, ICON_SMALL, small_new_icon);
freeSmallIcon();
small_icon = small_new_icon;
used++;
done_small = true;
}
if ((((int) Math.sqrt(size)) == large_icon_size) && (!done_large)) {
long large_new_icon = createIcon(large_icon_size, large_icon_size, icon.asIntBuffer());
sendMessage(hwnd, WM_SETICON, ICON_BIG, large_new_icon);
freeLargeIcon();
large_icon = large_new_icon;
used++;
done_large = true;
// Problem: The taskbar icon won't update until Windows sends a WM_GETICON to our window
// proc and we reply. But this method is usually called
// on init and it might take a while before the next call to nUpdate (because of resources
// being loaded, etc). So we wait for the next
// WM_GETICON message (usually received about 100ms after WM_SETICON) to make sure the
// taskbar icon has updated before we return to the user.
// (We wouldn't need to do this if the event loop was running continuously on its own
// thread.)
iconsLoaded = false;
// Track how long the wait takes and give up at 500ms, just in case.
long time = System.nanoTime();
long MAX_WAIT = 500L * 1000L * 1000L;
while (true) {
nUpdate();
if (iconsLoaded || MAX_WAIT < System.nanoTime() - time) break;
Thread.yield();
}
}
}
return used;
}
public double getArrowRadius(Point p) {
if ((x + defaultWidth / 2) == p.x) {
return defaultHeight / 2;
} else {
double px = p.x - x - defaultWidth / 2;
double py = p.y - y - defaultHeight / 2;
double a = defaultWidth / 2;
double b = defaultHeight / 2;
double k = py / px;
double xp = Math.sqrt(a * a * b * b / (b * b + k * k * a * a));
double yp = k * xp;
return Math.sqrt(xp * xp + yp * yp);
}
}
static { // data[] is a bitmap image of the ball of radius R
data = new byte[R * 2 * R * 2];
for (int Y = -R; Y < R; Y++) {
int x0 = (int) (Math.sqrt(R * R - Y * Y) + 0.5);
for (int X = -x0; X < x0; X++) {
// sqrt(x^2 + y^2) gives distance from the spot light
int x = X + hx, y = Y + hy;
int r = (int) (Math.sqrt(x * x + y * y) + 0.5);
// set the maximal intensity to the maximal distance
// (in pixels) from the spot light
if (r > maxr) maxr = r;
data[(Y + R) * (R * 2) + (X + R)] = (r <= 0) ? 1 : (byte) r;
}
}
}
// For now the final output is unusable. The associated quantization step
// needs some tweaking. If you get this part working, please let me know.
public double[][] forwardDCTExtreme(float[][] input) {
double[][] output = new double[N][N];
double tmp0;
double tmp1;
double tmp2;
double tmp3;
double tmp4;
double tmp5;
double tmp6;
double tmp7;
double tmp10;
double tmp11;
double tmp12;
double tmp13;
double z1;
double z2;
double z3;
double z4;
double z5;
double z11;
double z13;
int i;
int j;
int v;
int u;
int x;
int y;
for (v = 0; v < 8; v++) {
for (u = 0; u < 8; u++) {
for (x = 0; x < 8; x++) {
for (y = 0; y < 8; y++) {
output[v][u] +=
(((double) input[x][y])
* Math.cos(((double) ((2 * x) + 1) * (double) u * Math.PI) / (double) 16)
* Math.cos(((double) ((2 * y) + 1) * (double) v * Math.PI) / (double) 16));
}
}
output[v][u] *=
((double) (0.25)
* ((u == 0) ? ((double) 1.0 / Math.sqrt(2)) : (double) 1.0)
* ((v == 0) ? ((double) 1.0 / Math.sqrt(2)) : (double) 1.0));
}
}
return output;
}
public PositionMark(float x, float y, Point2D.Float[] points) {
super(x, y);
int nPoints = points.length;
Vector2f[] vectors = new Vector2f[nPoints];
float[] xPts = new float[points.length];
float[] yPts = new float[points.length];
for (int i = 0; i < nPoints; i++) {
xPts[i] = points[i].x;
yPts[i] = points[i].y;
vectors[i] = new Vector2f(xPts[i], yPts[i]);
}
shape = new Polygon2D(xPts, yPts, nPoints);
boundingCircleRadius =
(float)
Math.sqrt(
(shape.getBounds2D().getCenterX() - shape.getBounds2D().getMinX())
* (shape.getBounds2D().getCenterX() - shape.getBounds2D().getMinX())
+ (shape.getBounds2D().getCenterY() - shape.getBounds2D().getMinY())
* (shape.getBounds2D().getCenterY() - shape.getBounds2D().getMinY()));
body = new Body("FixedObstacle", new Polygon(vectors), 300f);
body.setMoveable(false);
body.setRotatable(false);
body.setPosition(x, y);
body.setRotation(0);
setBaseDamping(4.5f);
body.setDamping(baseDamping);
body.setRotDamping(ROT_DAMPING_MUTIPLYING_CONST * baseDamping);
}
/* -------------------------------------------------------------*/
private void gravityEffect(ArrayList movingObjects) {
// find effect of gravity on this objects from all other objects
for (int i = 0; i < movingObjects.size(); i++) {
// reset variables
double add_vx = 0.0;
double add_vy = 0.0;
SpaceObject object = (SpaceObject) movingObjects.get(i);
if (object.getObjCount() != objectNum
&& // ignore yourself (distance = 0!)
!object.isBullet()
&& // ignore bullets
!object.isSpaceShip()) // ignore spaceships
{
// find distance vector between planet and ball
int x = pos_x - object.getXPos();
int y = pos_y - object.getYPos();
double distance = Math.sqrt(x * x + y * y);
// find effect of planet on velocity
double add_vec = (SpaceObject.G * k * object.getMass() * ballMass) / (distance * distance);
add_vx = -(x / distance) * add_vec;
add_vy = -(y / distance) * add_vec;
// add objects speeds onto spaceship speed (clip speed if too large)
x_speed += add_vx;
y_speed += add_vy;
}
}
}
public static double[] invertBilinear(Vec4 U, Vec4 X, Vec4 Y, Vec4 Z, Vec4 W) {
Vec4 s1 = W.subtract3(X);
Vec4 s2 = Z.subtract3(Y);
Vec4 UminX = U.subtract3(X);
Vec4 UminY = U.subtract3(Y);
Vec4 normal = Z.subtract3(X).cross3(W.subtract3(Y));
double A = s1.cross3(s2).dot3(normal);
double B = s2.cross3(UminX).dot3(normal) - s1.cross3(UminY).dot3(normal);
double C = UminX.cross3(UminY).dot3(normal);
double descriminant = B * B - 4d * A * C;
if (descriminant < 0) return null;
descriminant = Math.sqrt(descriminant);
double beta = B > 0 ? (-B - descriminant) / (2d * A) : 2d * C / (-B + descriminant);
Vec4 Sbeta1 = Vec4.mix3(beta, X, W);
Vec4 Sbeta2 = Vec4.mix3(beta, Y, Z);
double alpha =
U.subtract3(Sbeta1).dot3(Sbeta2.subtract3(Sbeta1)) / Sbeta2.subtract3(Sbeta1).dotSelf3();
return new double[] {alpha, beta};
}
// calculate the radius of a given ellipse with give angle
private double getEllipseRadius(double a, double b, double theta) {
double d =
Math.pow(a, 2) * Math.pow(Math.cos(theta), 2)
+ Math.pow(b, 2) * Math.pow(Math.sin(theta), 2);
double sd = Math.sqrt(d);
return a * b / sd;
}
public void mouseReleased(MouseEvent evt) {
Graphics g = canvas.getGraphics();
g.setColor(color);
g.setPaintMode();
end = evt.getPoint();
if (type == 0) {
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
if (filled.getState() == true) g.fillRect(start.x, start.y, end.x - start.x, end.y - start.y);
status.setText("2. Ecke des Rechtecks festgelegt");
} else if (type == 1) {
int radius;
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
if (filled.getState() == true)
g.fillOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
status.setText("Radius des Kreises festgelegt");
} else if (type == 2) {
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
if (filled.getState() == true) g.fillOval(start.x, start.y, end.x - start.x, end.y - start.y);
status.setText("Radius der Ellipse festgelegt");
}
}
public double distanciaEuclidiana(int x1, int x2, int y1, int y2) {
double a, b, c;
a = Math.pow(x2 - x1, 2);
b = Math.pow(y2 - y1, 2);
c = Math.sqrt(a + b);
return (c);
}
/**
* Paints the graphic component
*
* @param g Graphic component
*/
public void paint(Graphics g) {
if (environment != null) {
Sudoku env = (Sudoku) environment;
Board board = env.getBoard();
int n = SudokuLanguage.DIGITS;
int sqrt_n = (int) (Math.sqrt(n) + 0.1);
g.setColor(Color.lightGray);
Font font = g.getFont();
g.setFont(new Font(font.getName(), font.getStyle(), 20));
for (int i = 0; i < n; i++) {
int ci = getCanvasValue(i);
if (i % sqrt_n == 0) {
g.drawLine(ci, DRAW_AREA_SIZE + MARGIN, ci, MARGIN);
g.drawLine(DRAW_AREA_SIZE + MARGIN, ci, MARGIN, ci);
}
for (int j = 0; j < n; j++) {
int cj = getCanvasValue(j);
int value = board.get(i, j);
if (value > 0) {
g.setColor(Color.black);
g.drawString("" + value, cj + CELL_SIZE / 5, ci + CELL_SIZE);
g.setColor(Color.lightGray);
}
}
}
g.drawLine(DRAW_AREA_SIZE + MARGIN, DRAW_AREA_SIZE + MARGIN, DRAW_AREA_SIZE + MARGIN, MARGIN);
g.drawLine(DRAW_AREA_SIZE + MARGIN, DRAW_AREA_SIZE + MARGIN, MARGIN, DRAW_AREA_SIZE + MARGIN);
}
}
/*
* @param a Quell-Wellenform
* @param env Ziel-RMS
* @param average Laenge der Samples in a, aus denen jeweils ein RMS berechnet wird
* (RMS = sqrt( energy/average ))
* @param length Zahl der generierten RMS (in env)
* @param lastEnergy Rueckgabewert aus dem letzten Aufruf dieser Routine
* (richtige Initialisierung siehe process(): summe der quadrate der prebuffered samples)
* @return neuer Energiewert, der beim naechsten Aufruf als lastEnergy uebergeben werden muss
*/
protected double calcEnv(float[] a, float[] env, int average, int length, double lastEnergy) {
for (int i = 0, j = average; i < length; i++, j++) { // zu alten leistungswert "vergessen" und
lastEnergy = lastEnergy - a[i] * a[i] + a[j] * a[j]; // neuen addieren
env[i] = (float) Math.sqrt(lastEnergy / average);
}
return lastEnergy;
}
/** Computes and returns the distance between two entities */
public int getDistance(WorldEntity e) {
Point wp = e.getPosition();
Point mep = getPosition();
int dx = wp.x - mep.x;
int dy = wp.y - mep.y;
return ((int) Math.round(Math.sqrt(dx * dx + dy * dy)));
}
/**
* Returns the perimeter length of ROIs created using the wand tool and the particle analyzer. The
* algorithm counts edge pixels as 1 and corner pixels as sqrt(2). It does this by calculating the
* total length of the ROI boundary and subtracting 2-sqrt(2) for each non-adjacent corner. For
* example, a 1x1 pixel ROI has a boundary length of 4 and 2 non-adjacent edges so the perimeter
* is 4-2*(2-sqrt(2)). A 2x2 pixel ROI has a boundary length of 8 and 4 non-adjacent edges so the
* perimeter is 8-4*(2-sqrt(2)).
*/
double getTracedPerimeter() {
int sumdx = 0;
int sumdy = 0;
int nCorners = 0;
int dx1 = xp[0] - xp[nPoints - 1];
int dy1 = yp[0] - yp[nPoints - 1];
int side1 = Math.abs(dx1) + Math.abs(dy1); // one of these is 0
boolean corner = false;
int nexti, dx2, dy2, side2;
for (int i = 0; i < nPoints; i++) {
nexti = i + 1;
if (nexti == nPoints) nexti = 0;
dx2 = xp[nexti] - xp[i];
dy2 = yp[nexti] - yp[i];
sumdx += Math.abs(dx1);
sumdy += Math.abs(dy1);
side2 = Math.abs(dx2) + Math.abs(dy2);
if (side1 > 1 || !corner) {
corner = true;
nCorners++;
} else corner = false;
dx1 = dx2;
dy1 = dy2;
side1 = side2;
}
double w = 1.0, h = 1.0;
if (imp != null) {
Calibration cal = imp.getCalibration();
w = cal.pixelWidth;
h = cal.pixelHeight;
}
return sumdx * w + sumdy * h - (nCorners * ((w + h) - Math.sqrt(w * w + h * h)));
}
private void generateLookupTables() {
mySat = new float[myWidth * myHeight];
myHues = new float[myWidth * myHeight];
myAlphas = new int[myWidth * myHeight];
float radius = getRadius();
// blend is used to create a linear alpha gradient of two extra pixels
float blend = (radius + 2f) / radius - 1f;
// Center of the color wheel circle
int cx = myWidth / 2;
int cy = myHeight / 2;
for (int x = 0; x < myWidth; x++) {
int kx = x - cx; // Kartesian coordinates of x
int squarekx = kx * kx; // Square of kartesian x
for (int y = 0; y < myHeight; y++) {
int ky = cy - y; // Kartesian coordinates of y
int index = x + y * myWidth;
mySat[index] = (float) Math.sqrt(squarekx + ky * ky) / radius;
if (mySat[index] <= 1f) {
myAlphas[index] = 0xff000000;
} else {
myAlphas[index] =
(int) ((blend - Math.min(blend, mySat[index] - 1f)) * 255 / blend) << 24;
mySat[index] = 1f;
}
if (myAlphas[index] != 0) {
myHues[index] = (float) (Math.atan2(ky, kx) / Math.PI / 2d);
}
}
}
}
@Override
public Dimension getOptimalPositionedSize(
Rectangle[] componentAreas, Constraint[][] constraints) {
if (componentAreas.length == 0) return new Dimension(0, 0);
int componentsPerColumn, componentsPerRow;
if (columns == 0) {
if (rows == 0) {
double square = Math.sqrt(componentAreas.length);
componentsPerColumn = (int) square;
componentsPerRow = (int) square;
if (square - (int) square > 0) componentsPerColumn++;
} else {
componentsPerRow = componentAreas.length / rows;
if (componentAreas.length % rows > 0) componentsPerRow++;
componentsPerColumn = rows;
}
} else if (rows == 0) {
componentsPerColumn = componentAreas.length / columns;
if (componentAreas.length % columns > 0) componentsPerColumn++;
componentsPerRow = columns;
} else {
componentsPerRow = columns;
componentsPerColumn = rows;
}
int maxElementWidth = 0, maxElementHeight = 0;
for (Rectangle component : componentAreas) {
maxElementWidth = Math.max(maxElementWidth, component.width);
maxElementHeight = Math.max(maxElementHeight, component.height);
}
return new Dimension(
maxElementWidth * componentsPerRow, maxElementHeight * componentsPerColumn);
}
// calculate the coordinates of the startpoint (endpoint) if parameter is
// true (false) of the arrow when drawing this link
private Point calcCoord(boolean startpoint) {
if (!startpoint && (end == null)) return openEnd;
int deltaX;
int deltaY;
if (end == null) {
deltaX = start.getX() - openEnd.x;
deltaY = start.getY() - openEnd.y;
} else {
deltaX = start.getX() - end.getX();
deltaY = start.getY() - end.getY();
}
double dist = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
double prop = (Client.RADIUS) / dist;
int offsetX = (int) Math.round(deltaX * prop);
int offsetY = (int) Math.round(deltaY * prop);
if (startpoint) {
return new Point(start.getX() - offsetX, start.getY() - offsetY);
} else return new Point(end.getX() + offsetX, end.getY() + offsetY);
}
/* -------------------------------------------------------------*/
private void objectCollision(ArrayList movingObjects) {
for (int i = 0; i < movingObjects.size(); i++) {
// make sure not testing if collided with yourself :P
if (((SpaceObject) movingObjects.get(i)).getObjCount() != objectNum) {
SpaceObject object = (SpaceObject) movingObjects.get(i);
// find distance vector between two objects
int x = pos_x - object.getXPos();
int y = pos_y - object.getYPos();
double distance = Math.sqrt(x * x + y * y);
// has it collided with the object?
if (distance < (radius + object.getRadius())) {
// has it collided with a BULLET (or MISSILE)?
if (object.isBullet()) {
// do nothing
}
// is it another SPACESHIP? (INSTANT DEATH)
else if (object.isSpaceShip()) {
// do nothing
}
// collided with anything else (e.g PLANET): (INSTANT DEATH)
else {
collision.play();
kill(movingObjects); // object has died
}
}
}
} // end for loop
}