public void checkCollision(Paddle[] pads) {
// check against walls
if (y >= height || y < 0) {
speed.y *= -1;
}
if (x >= width) {
restart();
paddles[1].addPoint();
timer = 40;
}
if (x < 0) {
restart();
paddles[0].addPoint();
timer = 40;
}
// check against paddles
for (int i = 0; i < pads.length; i++) {
if (x > pads[i].x - (pads[i].w / 2)
&& x < pads[i].x + (pads[i].w / 2)
&& y > pads[i].y - (pads[i].h / 2)
&& y < pads[i].y + (pads[i].h / 2)) {
speed.x *= -1;
float friction = 0.5f;
println(pads[i].vel.y);
speed.y += friction * pads[i].vel.y;
}
}
}
// A function to rotate a vector
public void rotateVector(PVector v, float theta) {
float m = v.mag();
float a = v.heading2D();
a += theta;
v.x = m * PApplet.cos(a);
v.y = m * PApplet.sin(a);
}
public void update(float newY) {
y = newY;
vel.x = x - px;
vel.y = y - py;
px = x;
py = y;
}
public void wallCollisions() {
// x
if (x > (bounds.x / 2)) {
velocity.x *= -1;
// velocity.x *= damping;
}
if (x < -(bounds.x / 2)) {
velocity.x *= -1;
// velocity.x *= damping;
}
// y
if (g) {
velocity.y += gravity;
if (y > bounds.y / 2) {
velocity.y *= -0.95f;
y = bounds.y / 2;
}
} else {
if (y > (bounds.y / 2)) {
velocity.y *= -1;
velocity.y *= damping;
}
if (y < -(bounds.y / 2)) {
velocity.y *= -1;
velocity.y *= damping;
}
}
// z
if (z > (bounds.z / 2)) {
velocity.z *= -1;
// velocity.z *= damping;
}
if (z < -(bounds.z / 2)) {
velocity.z *= -1;
// velocity.z *= damping;
}
}
public PVector getSmoothedVelocity() {
PVector total = new PVector(0, 0, 0);
for (int i = 0; i < buffer.length; i++) {
total.x += buffer[i].x;
total.y += buffer[i].y;
total.z += buffer[i].z;
}
PVector smthd =
new PVector(total.x / buffer.length, total.y / buffer.length, total.z / buffer.length);
return smthd;
}
public void updateAll(PVector newPos) {
// update current joint position
currentPos = newPos;
// map velocity to depth image size - I can't find how to get the depth of this context
velocity.x = map(newPos.x - prevPos.x, -context.depthWidth(), context.depthWidth(), -1, 1);
velocity.y = map(newPos.y - prevPos.y, -context.depthHeight(), context.depthHeight(), -1, 1);
velocity.z = newPos.z - prevPos.z;
// overwrite the circular buffer
buffer[bufferIndex] = velocity;
// and incrememnt the buffer index
bufferIndex++;
if (bufferIndex >= buffer.length) {
bufferIndex = 0;
}
prevPos = newPos;
smoothedVelocity = getSmoothedVelocity();
}
public void mouseDragged() {
if (paused) {
ArrayList objects = timeline.getStatefulObjects();
for (int i = 0; i < objects.size(); i++) {
CelestialObject obj = (CelestialObject) objects.get(i);
if (obj.isMouseOver()) {
dragging = true;
PVector pos = obj.getPosition();
pos.x = mouseX;
pos.y = mouseY;
timeline.reset();
timeline.setCurrentState(objects);
sliderTimeline.setValue(0);
break;
}
}
}
}
// Wraparound
public void borders() {
if (loc.x < -r) loc.x = width + r;
if (loc.y < -r) loc.y = height + r;
if (loc.x > width + r) loc.x = -r;
if (loc.y > height + r) loc.y = -r;
}