private void drawFeatheredFullLine(
Vector2 a, Vector2 b, float width, float feather, Color color) {
checkMaxVerts(3 * 6);
// Calculate the normal that defines the center rectangle
norm.set(b);
norm.sub(a);
norm.rotate(90);
norm.setLength(width / 2); // Scale to line width
// Calculate the normal that defines feathering
feath.set(norm);
feath.setLength(feather / 2);
zeroAlpha.set(color);
zeroAlpha.a = 0;
// ORDER OF RENDERING
// 1 2
// top feather
// 3 4
// center
// 5 6
// bottom feather
// 7 8
// Top feather
tL.set(a).add(norm).add(feath);
tR.set(b).add(norm).add(feath);
bL.set(a).add(norm);
bR.set(b).add(norm);
// Draw it
// Top feather (1-2-3)
uncheckedTriangle(tL.x, tL.y, tR.x, tR.y, bL.x, bL.y, zeroAlpha, zeroAlpha, color);
uncheckedTriangle(tR.x, tR.y, bL.x, bL.y, bR.x, bR.y, zeroAlpha, color, color);
// Center line
tL.set(a).add(norm);
tR.set(b).add(norm);
bL.set(a).sub(norm);
bR.set(b).sub(norm);
// Draw it
uncheckedTriangle(tL.x, tL.y, tR.x, tR.y, bL.x, bL.y, color, color, color);
uncheckedTriangle(tR.x, tR.y, bL.x, bL.y, bR.x, bR.y, color, color, color);
// Bottom feather
tL.set(a).sub(norm);
tR.set(b).sub(norm);
bL.set(a).sub(norm).sub(feath);
bR.set(b).sub(norm).sub(feath);
// Draw it
uncheckedTriangle(tL.x, tL.y, tR.x, tR.y, bL.x, bL.y, color, color, zeroAlpha);
uncheckedTriangle(tR.x, tR.y, bL.x, bL.y, bR.x, bR.y, color, zeroAlpha, zeroAlpha);
}
public void drawArrow(
Vector2 a,
Vector2 b,
float width,
float feather,
float headDist,
float headWidth,
Color color) {
// Firstly, draw the body of the arrow. B is the front.
drawLine(a, b, width, feather, color);
// Get the direction vector a->b
dir.set(a);
dir.sub(b);
dir.scl(1 / dir.len());
// Get the point down the line that the arrow head lines get to
d.set(dir);
d.scl(headDist);
d.add(b);
// Now, move d out to the sides
amount.set(dir);
amount.rotate(90);
amount.scl(headWidth);
right.set(d).add(amount);
left.set(d).sub(amount);
// Draw the arrow heads to not-quite-b to make it prettier
c.set(b);
c.sub(dir.scl(-width * 0.2f));
drawLine(c, left, width, feather, color);
drawLine(c, right, width, feather, color);
}
@Override
public void update() {
if (!isActive()) return;
posCpy.set(GameModel.getPlayer().position);
diffToPlayer.set(posCpy.sub(position));
float wantedAngle = MathUtils.atan2(diffToPlayer.y, diffToPlayer.x);
/*
^
3,14 <--- |----> 0
*/
if (direction == AbstractMap.N && (wantedAngle > MathUtils.PI || wantedAngle < 0)) return;
else if (direction == AbstractMap.S && wantedAngle > 0) return;
else if (direction == AbstractMap.W
&& (!(wantedAngle < MathUtils.PI / 2f && wantedAngle > -MathUtils.PI / 2f))) return;
else if (direction == AbstractMap.E
&& (!(wantedAngle > MathUtils.PI / 2f || wantedAngle < -MathUtils.PI / 2f))) return;
body.setTransform(position.x, position.y, wantedAngle);
if (diffToPlayer.len() < Config.getDimensions().WORLD_WIDTH / 2f)
if (MathUtils.random()
< (type == CANNON_TYPE.SINGLE ? Config.BULLET_RATE_LOW : Config.BULLET_RATE_MEDIUM)) {
float angle = body.getAngle() * MathUtils.radiansToDegrees;
origin.set(position).add(diffToPlayer.scl(.1f));
posCpy.set(GameModel.getPlayer().position);
if (type == CANNON_TYPE.SINGLE) {
weapon.fire1(origin, posCpy.rotate(MathUtils.random(-1, 1)));
createGunSmoke(angle);
} else if (type == CANNON_TYPE.DOUBLE) {
weapon.fire1(origin, posCpy.rotate(MathUtils.random(-1, 1)));
weapon.fire2(origin, posCpy.rotate(MathUtils.random(-1, 1)));
}
}
}
public void add(float centreX, float centreY) {
positionEmiter.rotate(EndlessMode.delta15 * speed);
tmp.x = (centreX - SparklesColorOverTime.HALF_HEIGHT) + positionEmiter.x;
tmp.y = centreY + positionEmiter.y;
angle = Physic.getAngleWithPlayer(tmp, SparklesColorOverTime.HALF_HEIGHT, 0);
angle += 110 - (Player.shield * 10);
SparklesColorOverTimeWide.add(
(centreX - SparklesColorOverTime.HALF_HEIGHT) + positionEmiter.x,
centreY + positionEmiter.y,
angle,
PrecalculatedParticles.colorsOverTimeBlue,
Particles.COLOR_OVER_TIME_FOREGROUND,
1);
SparklesColorOverTimeWide.add(
(centreX - SparklesColorOverTime.HALF_HEIGHT) - positionEmiter.x,
centreY - positionEmiter.y,
angle,
PrecalculatedParticles.colorsOverTimeYellowToGreen,
Particles.COLOR_OVER_TIME_FOREGROUND,
1);
if (!EndlessMode.triggerStop) {
SparklesColorOverTimeWide.add(
(centreX - SparklesColorOverTime.HALF_HEIGHT) + positionEmiter.x * 0.9f,
centreY - positionEmiter.y * 0.9f,
-angle,
PrecalculatedParticles.colorsOverTimeYellowToGreen,
Particles.COLOR_OVER_TIME_FOREGROUND,
1);
SparklesColorOverTimeWide.add(
(centreX - SparklesColorOverTime.HALF_HEIGHT) - positionEmiter.x * 0.9f,
centreY + positionEmiter.y * 0.9f,
-angle,
PrecalculatedParticles.colorsOverTimeBlue,
Particles.COLOR_OVER_TIME_FOREGROUND,
1);
}
}
public void drawLine(Vector2 a, Vector2 b, float width, Color color) {
setType(GL20.GL_TRIANGLES);
// Calculate the normal that defines the center rectangle
norm.set(b);
norm.sub(a);
norm.rotate(90);
norm.setLength(width / 2); // Scale to line width
// 1 2
// top feather
// 3 4
// Top feather
tL.set(a).add(norm);
tR.set(b).add(norm);
bL.set(a).sub(norm);
bR.set(b).sub(norm);
uncheckedTriangle(tL.x, tL.y, tR.x, tR.y, bL.x, bL.y, color, color, color);
uncheckedTriangle(tR.x, tR.y, bL.x, bL.y, bR.x, bR.y, color, color, color);
}
public Beaver(World world, Island island) {
this.island = island;
float scale = 2.0f;
float radius = 1.0f;
BodyDef bd = new BodyDef();
bd.type = BodyDef.BodyType.DynamicBody;
Vector2 pos = island.physicsBody.getPosition();
ang = island.physicsBody.getAngle();
float islandW = island.getPhysicsWidth();
float islandH = island.getPhysicsHeight();
Vector2 off = new Vector2(islandW * MathUtils.random(0.3f, 0.6f), islandH);
off.rotate(MathUtils.radiansToDegrees * ang);
bd.position.set(new Vector2(pos.x + off.x, pos.y + off.y));
bd.angle = ang;
off.set(islandW * 0.075f, islandH);
off.rotate(MathUtils.radiansToDegrees * ang);
Vector2 rightEdge = new Vector2(pos.x + off.x, pos.y + off.y).scl(Mane.PTM_RATIO);
off.set(islandW * 0.85f, islandH);
off.rotate(MathUtils.radiansToDegrees * ang);
Vector2 leftEdge = new Vector2(pos.x + off.x, pos.y + off.y).scl(Mane.PTM_RATIO);
float speed = MathUtils.random(1.0f, 3.0f);
addAction(
Actions.delay(
MathUtils.random(0.0f, 1.0f),
Actions.forever(
Actions.sequence(
Actions.moveTo(rightEdge.x, rightEdge.y, speed),
Actions.moveTo(leftEdge.x, leftEdge.y, speed)))));
bd.linearDamping = 0.2f;
Body body = world.createBody(bd);
FixtureDef fd = new FixtureDef();
fd.density = 1.0f;
fd.filter.categoryBits = Collision.BEAVER;
fd.filter.maskBits = Collision.SHARK;
fd.restitution = 0.0f;
fd.friction = 0.0f;
fd.isSensor = true;
CircleShape cs = new CircleShape();
cs.setRadius(radius);
cs.setPosition(new Vector2(radius, radius));
fd.shape = cs;
body.createFixture(fd);
cs.dispose();
super.initPhysicsBody(body);
setSize(scale * Mane.PTM_RATIO, scale * Mane.PTM_RATIO);
setOrigin(0.0f, 0.0f);
}
/**
* Creates an array of PolySpatials based on fixture information from the scene. Note that
* fixtures create aligned textures.
*
* @param scene
*/
private void createPolySpatialsFromRubeFixtures(RubeScene scene) {
Array<Body> bodies = scene.getBodies();
EarClippingTriangulator ect = new EarClippingTriangulator();
if ((bodies != null) && (bodies.size > 0)) {
polySpatials = new Array<PolySpatial>();
Vector2 bodyPos = new Vector2();
// for each body in the scene...
for (int i = 0; i < bodies.size; i++) {
Body body = bodies.get(i);
bodyPos.set(body.getPosition());
Array<Fixture> fixtures = body.getFixtureList();
if ((fixtures != null) && (fixtures.size > 0)) {
// for each fixture on the body...
for (int j = 0; j < fixtures.size; j++) {
Fixture fixture = fixtures.get(j);
String textureName = (String) scene.getCustom(fixture, "TextureMask", null);
if (textureName != null) {
String textureFileName = "data/" + textureName;
Texture texture = textureMap.get(textureFileName);
TextureRegion textureRegion = null;
if (texture == null) {
texture = new Texture(textureFileName);
texture.setWrap(TextureWrap.Repeat, TextureWrap.Repeat);
textureMap.put(textureFileName, texture);
textureRegion = new TextureRegion(texture);
textureRegionMap.put(texture, textureRegion);
} else {
textureRegion = textureRegionMap.get(texture);
}
// only handle polygons at this point -- no chain, edge, or circle fixtures.
if (fixture.getType() == Shape.Type.Polygon) {
PolygonShape shape = (PolygonShape) fixture.getShape();
int vertexCount = shape.getVertexCount();
float[] vertices = new float[vertexCount * 2];
// static bodies are texture aligned and do not get drawn based off of the related
// body.
if (body.getType() == BodyType.StaticBody) {
for (int k = 0; k < vertexCount; k++) {
shape.getVertex(k, mTmp);
mTmp.rotate(body.getAngle() * MathUtils.radiansToDegrees);
mTmp.add(
bodyPos); // convert local coordinates to world coordinates to that textures
// are
// aligned
vertices[k * 2] = mTmp.x * PolySpatial.PIXELS_PER_METER;
vertices[k * 2 + 1] = mTmp.y * PolySpatial.PIXELS_PER_METER;
}
short[] triangleIndices = ect.computeTriangles(vertices).toArray();
PolygonRegion region =
new PolygonRegion(textureRegion, vertices, triangleIndices);
PolySpatial spatial = new PolySpatial(region, Color.WHITE);
polySpatials.add(spatial);
} else {
// all other fixtures are aligned based on their associated body.
for (int k = 0; k < vertexCount; k++) {
shape.getVertex(k, mTmp);
vertices[k * 2] = mTmp.x * PolySpatial.PIXELS_PER_METER;
vertices[k * 2 + 1] = mTmp.y * PolySpatial.PIXELS_PER_METER;
}
short[] triangleIndices = ect.computeTriangles(vertices).toArray();
PolygonRegion region =
new PolygonRegion(textureRegion, vertices, triangleIndices);
PolySpatial spatial = new PolySpatial(region, body, Color.WHITE);
polySpatials.add(spatial);
}
} else if (fixture.getType() == Shape.Type.Circle) {
CircleShape shape = (CircleShape) fixture.getShape();
float radius = shape.getRadius();
int vertexCount = (int) (12f * radius);
float[] vertices = new float[vertexCount * 2];
System.out.println("SpatialFactory: radius: " + radius);
if (body.getType() == BodyType.StaticBody) {
mTmp3.set(shape.getPosition());
for (int k = 0; k < vertexCount; k++) {
// set the initial position
mTmp.set(radius, 0);
// rotate it by 1/vertexCount * k
mTmp.rotate(360f * k / vertexCount);
// add it to the position.
mTmp.rotate(body.getAngle() * MathUtils.radiansToDegrees);
mTmp.add(mTmp3);
mTmp.add(
bodyPos); // convert local coordinates to world coordinates to that textures
// are aligned
vertices[k * 2] = mTmp.x * PolySpatial.PIXELS_PER_METER;
vertices[k * 2 + 1] = mTmp.y * PolySpatial.PIXELS_PER_METER;
}
short[] triangleIndices = ect.computeTriangles(vertices).toArray();
PolygonRegion region =
new PolygonRegion(textureRegion, vertices, triangleIndices);
PolySpatial spatial = new PolySpatial(region, Color.WHITE);
polySpatials.add(spatial);
} else {
mTmp3.set(shape.getPosition());
for (int k = 0; k < vertexCount; k++) {
// set the initial position
mTmp.set(radius, 0);
// rotate it by 1/vertexCount * k
mTmp.rotate(360f * k / vertexCount);
// add it to the position.
mTmp.add(mTmp3);
vertices[k * 2] = mTmp.x * PolySpatial.PIXELS_PER_METER;
vertices[k * 2 + 1] = mTmp.y * PolySpatial.PIXELS_PER_METER;
}
short[] triangleIndices = ect.computeTriangles(vertices).toArray();
PolygonRegion region =
new PolygonRegion(textureRegion, vertices, triangleIndices);
PolySpatial spatial = new PolySpatial(region, body, Color.WHITE);
polySpatials.add(spatial);
}
}
}
}
}
}
}
}
private Vector2 getLocalPosition() {
absolutePosition.set(localPosition.x, localPosition.y);
absolutePosition.rotate(parent.getAngle());
absolutePosition.set(absolutePosition.x + parent.getX(), absolutePosition.y + parent.getY());
return absolutePosition;
}
@Override
public float projectY(float x, float y) {
tmp.set(x - getX(), y - getY());
tmp.rotate(-getAngle());
return tmp.y;
}
@Override
public void update(BaseObject parent) {
Vector2f acceleration = ((GameObject) parent).getAcceleration();
acceleration.set(0, 0);
if (sys.keyboard.isKeyPressed(ButtonActions.MOVE_UP)) {
acceleration.y = ACCELERATION;
}
if (sys.keyboard.isKeyPressed(ButtonActions.MOVE_DOWN)) {
acceleration.y = -ACCELERATION;
}
if (sys.keyboard.isKeyPressed(ButtonActions.MOVE_LEFT)) {
acceleration.x = -ACCELERATION;
}
if (sys.keyboard.isKeyPressed(ButtonActions.MOVE_RIGHT)) {
acceleration.x = ACCELERATION;
}
if (sys.currentTime - lastTime < fireRate) {
return;
}
// FIXME I really shouldn't be using hardcoded values to figure out where to
// shoot the bullets from.
// FIXME I also REALLY REALLY need to get my vectors sorted out so that I don't have to
// resort to this ugliness.
bulletVelocity.set(
((GameObject) parent).getVelocity().x, ((GameObject) parent).getVelocity().x);
bulletPosition.set(16f, 0f);
if (sys.keyboard.isKeyPressed(ButtonActions.FIRE_LEFT)) {
bulletVelocity.x -= BULLET_VELOCITY;
bulletPosition.y = 16f;
bulletPosition.x = 0f;
}
if (sys.keyboard.isKeyPressed(ButtonActions.FIRE_RIGHT)) {
bulletVelocity.x += BULLET_VELOCITY;
bulletPosition.y = 16f;
bulletPosition.x = 32f;
}
if (sys.keyboard.isKeyPressed(ButtonActions.FIRE_UP)) {
bulletVelocity.y += BULLET_VELOCITY;
bulletPosition.y = 32f;
}
if (sys.keyboard.isKeyPressed(ButtonActions.FIRE_DOWN)) {
bulletVelocity.y -= BULLET_VELOCITY;
bulletPosition.y = 0f;
}
if (bulletVelocity.x != 0f || bulletVelocity.y != 0f) {
Vector2f position = ((GameObject) parent).getPosition();
bulletPosition.x += position.x;
bulletPosition.y += position.y;
GameObject bullet = bulletPool.obtain();
if (bullet != null) {
bullet.setPosition(bulletPosition.x, bulletPosition.y);
bulletVelocity.rotate(bulletCounter * spreadDegree);
bullet.setVelocity(bulletVelocity.x, bulletVelocity.y);
sys.manager.add(bullet);
if (bulletCounter == spreadCount / 2) {
bulletCounter = -bulletCounter;
} else {
bulletCounter++;
}
}
}
lastTime = sys.currentTime;
}
public void transformVectorToParent(Vector2 vector) {
vector.rotate(this.getRotation());
}
/** Sets position, rotation, scale and origin in actor to meet the 3 given points */
public static void applyTransformation(
Actor actor, Vector2 origin, Vector2 tangent, Vector2 normal) {
/*
* We are going to calculate the affine transformation for the actor to
* fit the bounds represented by the handles. The affine transformation
* is defined as follows:
*/
// |a b tx|
// |c d ty|=|Translation Matrix| x |Scale Matrix| x |Rotation
// Matrix|
// |0 0 1 |
/*
* More info about affine transformations:
* https://people.gnome.org/~mathieu
* /libart/libart-affine-transformation-matrices.html, To obtain the
* matrix, we want to resolve the following equation system:
*/
// | a b tx| |0| |o.x|
// | c d ty|*|0|=|o.y|
// | 0 0 1 | |1| | 1 |
//
// | a b tx| |w| |t.x|
// | c d ty|*|0|=|t.y|
// | 0 0 1 | |1| | 1 |
//
// | a b tx| |0| |n.x|
// | c d ty|*|h|=|n.y|
// | 0 0 1 | |1| | 1 |
/*
* where o is handles[0] (origin), t is handles[2] (tangent) and n is
* handles[6] (normal), w is actor.getWidth() and h is
* actor.getHeight().
*
* This matrix defines that the 3 points defining actor bounds are
* transformed to the 3 points defining modifier bounds. E.g., we want
* that actor origin (0,0) is transformed to (handles[0].x,
* handles[0].y), and that is expressed in the first equation.
*
* Resolving these equations is obtained:
*/
// a = (t.x - o.y) / w
// b = (t.y - o.y) / w
// c = (n.x - o.x) / h
// d = (n.y - o.y) / h
/*
* Values for translation, scale and rotation contained by the matrix
* can be obtained directly making operations over a, b, c and d:
*/
// tx = o.x
// ty = o.y
// sx = sqrt(a^2+b^2)
// sy = sqrt(c^2+d^2)
// rotation = atan(c/d)
// or
// rotation = atan(-b/a)
/*
* Rotation can give two different values (this happens when there is
* more than one way of obtaining the same transformation). To avoid
* that, we ignore the rotation to obtain the final values.
*/
Vector2 tmp1 = Pools.obtain(Vector2.class);
Vector2 tmp2 = Pools.obtain(Vector2.class);
Vector2 tmp3 = Pools.obtain(Vector2.class);
Vector2 tmp4 = Pools.obtain(Vector2.class);
Vector2 tmp5 = Pools.obtain(Vector2.class);
Vector2 o = tmp1.set(origin.x, origin.y);
Vector2 t = tmp2.set(tangent.x, tangent.y);
Vector2 n = tmp3.set(normal.x, normal.y);
Vector2 vt = tmp4.set(t).sub(o);
Vector2 vn = tmp5.set(n).sub(o);
// Ignore rotation
float rotation = actor.getRotation();
vt.rotate(-rotation);
vn.rotate(-rotation);
t.set(vt).add(o);
n.set(vn).add(o);
Vector2 bottomLeft = Pools.obtain(Vector2.class);
Vector2 size = Pools.obtain(Vector2.class);
calculateBounds(actor, bottomLeft, size);
float a = (t.x - o.x) / size.x;
float c = (t.y - o.y) / size.x;
float b = (n.x - o.x) / size.y;
float d = (n.y - o.y) / size.y;
Pools.free(tmp1);
Pools.free(tmp2);
Pools.free(tmp3);
Pools.free(tmp4);
Pools.free(tmp5);
Pools.free(bottomLeft);
Pools.free(size);
// Math.sqrt gives a positive value, but it also have a negatives.
// The
// signum is calculated computing the current rotation
float signumX = vt.angle() > 90.0f && vt.angle() < 270.0f ? -1.0f : 1.0f;
float signumY = vn.angle() > 180.0f ? -1.0f : 1.0f;
float scaleX = (float) Math.sqrt(a * a + b * b) * signumX;
float scaleY = (float) Math.sqrt(c * c + d * d) * signumY;
actor.setScale(scaleX, scaleY);
/*
* To obtain the correct translation value we need to subtract the
* amount of translation due to the origin.
*/
tmpMatrix.setToTranslation(actor.getOriginX(), actor.getOriginY());
tmpMatrix.rotate(actor.getRotation());
tmpMatrix.scale(actor.getScaleX(), actor.getScaleY());
tmpMatrix.translate(-actor.getOriginX(), -actor.getOriginY());
/*
* Now, the matrix has how much translation is due to the origin
* involved in the rotation and scaling operations
*/
float x = o.x - tmpMatrix.getValues()[Matrix3.M02];
float y = o.y - tmpMatrix.getValues()[Matrix3.M12];
actor.setPosition(x, y);
}
