/**
* Gets all x,y coordinates, that have the lowest z-value, therefore making an appropriate measure
* for a 3D->2D conversion
*
* @param verticesBuffer the vertices buffer
* @return the coordinates
*/
private List<Vector2f> getCoordinates(FloatBuffer verticesBuffer) {
// get Coordinates into an array
float[] vertices = new float[verticesBuffer.capacity()];
for (int i = 0; i < verticesBuffer.capacity(); i++) {
vertices[i] = verticesBuffer.get(i);
}
// read closest points based on their z-value
// find smallest z-value
float z = Float.MAX_VALUE;
for (int i = 2; i < vertices.length; i += 3) {
if (vertices[i] < z) {
z = vertices[i];
}
}
// add all points with a z-value that are equals
Vector2f vertex;
List<Vector2f> finalList = new ArrayList<Vector2f>();
for (int i = 2; i < vertices.length; i += 9) {
if (vertices[i] == z) {
vertex = new Vector2f();
vertex.x = vertices[i - 2];
vertex.y = vertices[i - 1];
finalList.add(vertex);
}
}
return finalList;
}
public void update(long dtime) {
super.update(dtime);
if (this.health == 0 && this.dead == false) {
if (this == Gamestate.getInstance().getPlayer()) {
this.setController(new NoController());
}
SOUNDS.TANK_EXPLODE.play();
Vector3f bpos = new Vector3f(this.getBase().getPos());
Gamestate.getInstance().addObject(new ExplosionCluster(bpos, new Vector3f(0, 1.2f, 0), 20));
this.setController(new NoController());
this.dead = true;
this.base.unjoin(this.turret);
this.parts.remove(this.turret);
} else {
lastFired++;
Vector2f lookdir = turret.getPhys().getDir();
if (lookdir.y > 25.0f) lookdir.y = 25.0f;
if (lookdir.y < -25.0f) lookdir.y = -25.0f;
if (lookdir.x > 55.0f) lookdir.x = 55.0f;
if (lookdir.x < -55.0f) lookdir.x = -55.0f;
turret.getPhys().setDir(lookdir);
}
}
public void mouseReleased(MouseEvent event) {
Vector2f vector = new Vector2f((float) event.getX() - x, (float) event.getY() - y);
vector.normalize();
if (Math.abs(event.getX() - x) < 0.0001) {
camera_pos = new Vector3f(-4.35f, 4.0f, -35.0f);
} else {
camera_pos =
new Vector3f(
(float) (camera_pos.x + vector.x * 4.0),
(float) (camera_pos.y + vector.y * 4.0),
camera_pos.z);
// camera_pos = calculateCordinates(vector);
}
model.transformPoints(camera_pos);
list = model.project(new OrthographicProjection());
repaint();
}
/** @return Vector2f vector holding the starting location for a Person Node */
public Vector2f pStartLocation() {
// Try to place the new node in a location that won't disrupt the system too much (by being too
// close to another person)
for (int i = 0; i < 100; i++) {
Vector2f testStart = this.randomLocation();
boolean good = true;
for (code_swarm.PersonNode n : code_swarm.getLivingPeople()) {
Vector2f delta = new Vector2f();
delta.sub(n.mPosition, testStart);
if (delta.lengthSquared() < MIN_DISTANCE_SQR) {
good = false;
break;
}
}
if (good) return testStart;
}
return randomLocation();
}
public Vertex(Vertex start, Vertex end, float interp) {
Vector3f pos = new Vector3f();
pos.interpolate(start.positionvf(), end.positionvf(), interp);
positionvf(pos);
Vector4f colour = new Vector4f();
colour.interpolate(start.colourv(), end.colourv(), interp);
colourv(colour);
Vector3f normal = new Vector3f();
normal.interpolate(start.normalv(), end.normalv(), interp);
normalvf(normal);
Vector2f tex = new Vector2f();
tex.interpolate(start.texv(), end.texv(), interp);
texv(tex);
Vector2f light = new Vector2f();
light.interpolate(start.lightv(), end.lightv(), interp);
lightv(light);
}
public double calcDensity(int x, int y, int z) {
double height = calcBaseTerrain(x, z);
double ocean = calcOceanTerrain(x, z);
double river = calcRiverTerrain(x, z);
float temp = biomeProvider.getTemperatureAt(x, z);
float humidity = biomeProvider.getHumidityAt(x, z);
Vector2f distanceToMountainBiome = new Vector2f(temp - 0.25f, humidity - 0.35f);
double mIntens = TeraMath.clamp(1.0 - distanceToMountainBiome.length() * 3.0);
double densityMountains = calcMountainDensity(x, y, z) * mIntens;
double densityHills = calcHillDensity(x, y, z) * (1.0 - mIntens);
int plateauArea = (int) (Chunk.SIZE_Y * 0.10);
double flatten = TeraMath.clamp(((Chunk.SIZE_Y - 16) - y) / plateauArea);
return -y
+ (((32.0 + height * 32.0) * TeraMath.clamp(river + 0.25) * TeraMath.clamp(ocean + 0.25))
+ densityMountains * 1024.0
+ densityHills * 128.0)
* flatten;
}
// Vector arithmetic
// A: current position
// B: target position
// d: distance to travel along the line from A to B
// A_moved = A + |B - A| * d where | | represents 'norm'
public void updateLocation() {
Vector2f currentLoc = new Vector2f((float) getX2(), (float) getY2());
Vector2f update = new Vector2f(target.x, target.y);
update.sub(currentLoc); // B - A
update.normalize(); // |B - A|
update.scale(travelDistance); // |B - A| x dist
currentLoc.add(update); // A + |B - A| x d
setLine(x1, y1, currentLoc.x, currentLoc.y);
}
/**
* Method that allows Physics Engine to modify Speed / Position during the relax phase.
*
* @param pNode the node to which the force apply @Note Standard physics is "Position Variation =
* Speed x Duration" with a convention of "Duration=1" between to frames
*/
public void onRelax(code_swarm.PersonNode pNode) {
Vector2f delta = new Vector2f();
// A gentle force to attract pNodes to the center
// NOTE: this should be done prior to attraction/repulsion forces, otherwise
// tends to generate a grid-like pattern
Vector2f midpoint = new Vector2f(code_swarm.width / 2, code_swarm.height / 2);
delta = new Vector2f();
delta.sub(midpoint, pNode.mPosition);
delta.scale(1 / delta.length() * 0.003f);
pNode.mPosition.add(delta);
// All person nodes attract each other, but only to a certain point, then they repel with gentle
// force
for (code_swarm.PersonNode n : code_swarm.getLivingPeople()) {
if (pNode != n) {
delta.sub(pNode.mPosition, n.mPosition);
if (delta.lengthSquared() < MIN_DISTANCE_SQR) {
// This calculation gives a 'stiff spring' affect
float toMove = ((float) Math.sqrt(MIN_DISTANCE_SQR) - delta.length()) / 10.0f;
// This calculation gives a much nicer flow
// float toMove = 0.03f;
delta.scale((1 / delta.length()) * toMove);
n.mPosition.sub(delta);
pNode.mPosition.add(delta);
} else {
float toMove = -0.003f;
delta.scale((1 / delta.length()) * toMove);
n.mPosition.sub(delta);
pNode.mPosition.add(delta);
}
}
}
// place the edited files around the person
Iterator<code_swarm.FileNode> editedFiles = pNode.editing.iterator();
int index = 0;
int radius = 45;
final int node_size = 4;
final int salt = pNode.hashCode(); // used to randomize orientation of circle of nodes
int num_nodes_in_ring = (int) ((2 * radius * Math.PI) / node_size);
while (editedFiles.hasNext()) {
// if we've placed all the nodes in this ring...
if (index == num_nodes_in_ring) {
// start on a new ring
radius += node_size;
num_nodes_in_ring = (int) ((2 * radius * Math.PI) / node_size);
index = 0;
}
index++;
code_swarm.FileNode file = editedFiles.next();
// leave a hole for the null files
if (file == null) continue;
final int place_around_ring = index * num_nodes_in_ring + salt;
int x = (int) (radius * Math.sin(place_around_ring));
int y = (int) (radius * Math.cos(place_around_ring));
delta = new Vector2f();
delta.sub(file.mPosition, new Vector2f(pNode.mPosition.x + x, pNode.mPosition.y + y));
float distance = delta.length();
delta.scale(1 / delta.length() * -0.01f * distance);
file.mPosition.add(delta);
}
}
/*
* Takes in a 3D location and spits out its texture coordinate. This version
* simply returns 1/2 the x and y coordinate, offset by 0.5 This will ensure
* that all texture coordinates are valid, based on assumption about the
* incoming 3D location. This is valid because we know this method will only
* be called from our spheretri methods.
*/
private static void xyTex(Vector3f v, Vector2f tex) {
tex.x = v.x / 2 + 0.5f;
tex.y = v.y / 2 + 0.5f;
}
/**
* Set the layout of the child elements here. Will be executed if the display or a parent window
* was resized.
*/
public void layout() {
// reset to the position and size to the original position
position.set(positionOriginal);
size.set(sizeOriginal);
/*
Position
*/
position.x = calcHorizontalAlign(horizontalAlign);
position.y = calcVerticalAlign(verticalAlign);
// recalculate position x relative to parent if unit is percentage
if (unitPositionX == EUnitType.PERCENTAGE
&& positionType == EPositionType.RELATIVE
&& parent != null) {
getPosition().x += parent.getSize().x * positionOriginal.x / 100f;
} else if (unitPositionX == EUnitType.PERCENTAGE && positionType == EPositionType.ABSOLUTE) {
// recalculate position x absolute to display if unit is percentage
getPosition().x += Display.getWidth() * positionOriginal.x / 100f;
} else {
getPosition().x += positionOriginal.x;
}
// recalculate position x relative to parent if unit is percentage
if (unitPositionY == EUnitType.PERCENTAGE
&& positionType == EPositionType.RELATIVE
&& parent != null) {
getPosition().y += parent.getSize().y * positionOriginal.y / 100f;
} else if (unitPositionY == EUnitType.PERCENTAGE && positionType == EPositionType.ABSOLUTE) {
// recalculate position x absolute to display if unit is percentage
getPosition().y += Display.getHeight() * positionOriginal.y / 100f;
} else {
getPosition().y += positionOriginal.y;
}
/*
Size
*/
// recalculate width relative to parent if unit is percentage
if (unitSizeX == EUnitType.PERCENTAGE
&& positionType == EPositionType.RELATIVE
&& parent != null) {
getSize().x = parent.getSize().x * size.x / 100f;
} else if (unitSizeX == EUnitType.PERCENTAGE && positionType == EPositionType.ABSOLUTE) {
// recalculate width absolute to display if unit is percentage
getSize().x = Display.getWidth() * size.x / 100f;
}
// recalculate height relative to parent if unit is percentage
if (unitSizeY == EUnitType.PERCENTAGE
&& positionType == EPositionType.RELATIVE
&& parent != null) {
getSize().y = parent.getSize().y * size.y / 100f;
} else if (unitSizeY == EUnitType.PERCENTAGE && positionType == EPositionType.ABSOLUTE) {
// recalculate height absolute to display if unit is percentage
getSize().y = Display.getHeight() * size.y / 100f;
}
}
