// Handles all ball-ball collisions
void handleBallBallCollisions() {
for (int i = 0; i < _scene.numChildren(); i++)
for (int j = 0; j < _scene.numChildren(); j++) {
if (i == j) continue;
Object3d b1 = _scene.getChildAt(i);
Object3d b2 = _scene.getChildAt(j);
// if (b1 == _room || b2 == _room)
// continue;
if (testBallBallCollision(b1, b2)) {
// Make the balls reflect off of each other
Number3d displacement = Number3d.subtract(b1.position(), b2.position());
displacement.normalize();
float objDot = Number3d.dot(b1.velocity(), displacement);
displacement.multiply(objDot);
displacement.multiply(2f);
b1.velocity().subtract(displacement);
displacement = Number3d.subtract(b1.position(), b2.position());
displacement.normalize();
objDot = Number3d.dot(b2.velocity(), displacement);
displacement.multiply(objDot);
displacement.multiply(2f);
b2.velocity().subtract(displacement);
}
}
}
@Override
public void onTouchEvent(MotionEvent e) {
float x = e.getX();
float y = e.getY();
switch (e.getAction()) {
case MotionEvent.ACTION_UP:
x = x * .001f;
y = y * .001f;
for (int i = 0; i < _scene.numChildren(); i++) {
Object3d obj = _scene.getChildAt(i);
if (obj == _up || obj == _down || obj == _east || obj == _west) continue;
// TODO: make pressure equal to distance from touch
obj.velocity().z = -(e.getPressure() * 100);
obj.velocity().z = -(e.getPressure() * 100);
}
break;
case MotionEvent.ACTION_MOVE:
float dx = x - mPreviousX;
float dy = y - mPreviousY;
for (int i = 0; i < _scene.numChildren(); i++) {
Object3d obj = _scene.getChildAt(i);
if (obj == _up || obj == _down || obj == _east || obj == _west) continue;
obj.rotation().x += dx * Object3d.TOUCH_SCALE_FACTOR;
obj.rotation().y += dy * Object3d.TOUCH_SCALE_FACTOR;
}
break;
}
mPreviousX = x;
mPreviousY = y;
}
public void onDrawFrame(GL10 gl) {
double time = System.currentTimeMillis();
double elapsed = time - _lastDraw;
_lastDraw = time;
if (elapsed > 1000) elapsed = 60;
elapsed = elapsed / 1000;
float pitch = _sensor.getPitch();
float roll = _sensor.getRoll();
for (int i = 0; i < _scene.numChildren(); i++) {
Object3d obj = _scene.getChildAt(i);
if (obj != _down && obj != _up && obj != _east && obj != _west) {
updateObject(obj, elapsed, _sensor.getAccelerometer(), roll, pitch);
}
}
_renderer.onDrawFrame(gl);
}
public static void loadBackGroundImage(Scene scene) {
if (background == null) {
IParser parser =
Parser.createParser(
Parser.Type.OBJ, Shared.context().getResources(), "com.knb:raw/background_obj", true);
parser.parse();
background = parser.getParsedObject();
background.scale().x = background.scale().y = background.scale().z = SBStore.BACKGROUND_SCALE;
background.position().z = -1.99f;
}
if (scene != null) {
scene.addChild(background);
}
}
public void initScene() {
_scene.backgroundColor().setAll(_backColor);
_scene.lights().add(new Light());
Bitmap b = null;
switch (_wallTexture) {
case 1:
b = Utils.makeBitmapFromResourceId(R.drawable.wood);
break;
case 2:
b = Utils.makeBitmapFromResourceId(R.drawable.checkerboard);
break;
case 3:
b = Utils.makeBitmapFromResourceId(R.drawable.gray_waves);
break;
case 4:
b = Utils.makeBitmapFromResourceId(R.drawable.paper);
break;
}
if (b != null) {
Shared.textureManager().addTextureId(b, "wall", false);
b.recycle();
Color4 planeColor = new Color4(255, 255, 255, 255);
_east = new Rectangle(40, 12, 2, 2, planeColor);
_west = new Rectangle(40, 12, 2, 2, planeColor);
_up = new Rectangle(40, 12, 2, 2, planeColor);
_down = new Rectangle(40, 12, 2, 2, planeColor);
_east.position().x = -6;
_east.rotation().y = -90;
_east.position().z = -20;
_east.lightingEnabled(false);
_east.textures().addById("wall");
_west.position().x = 6;
_west.rotation().y = 90;
_west.position().z = -20;
_west.lightingEnabled(false);
_west.textures().addById("wall");
_up.rotation().x = -90;
_up.rotation().z = 90;
_up.position().y = 6;
_up.position().z = -20;
_up.lightingEnabled(false);
_up.textures().addById("wall");
_down.rotation().x = 90;
_down.rotation().z = 90;
_down.position().y = -6;
_down.position().z = -20;
_down.lightingEnabled(false);
_down.textures().addById("wall");
_scene.addChild(_east);
_scene.addChild(_west);
_scene.addChild(_up);
_scene.addChild(_down);
}
_scene.fogColor(new Color4(0, 0, 0, 255));
_scene.fogNear(10);
_scene.fogFar(40);
_scene.fogEnabled(true);
if (_theme != 2) {
// not rainbow
_light = new Light();
_light.type(LightType.POSITIONAL);
_light.position.setZ(10);
_light.direction.z = -100;
_scene.lights().add(_light);
if (_theme == 0) {
_light.ambient.setAll(_ballColor);
_light.diffuse.setAll(_ballColor);
}
}
TextureVo t = null;
if (_theme >= 3) {
b = null;
if (_theme == 3) b = Utils.makeBitmapFromResourceId(Shared.context(), R.drawable.earth);
if (_theme == 4)
b = Utils.makeBitmapFromResourceId(Shared.context(), R.drawable.beach_ball);
if (_theme == 5) b = Utils.makeBitmapFromResourceId(Shared.context(), R.drawable.smiley);
if (_theme == 6) b = Utils.makeBitmapFromResourceId(Shared.context(), R.drawable.google);
if (_theme == 7)
b = Utils.makeBitmapFromResourceId(Shared.context(), R.drawable.checkerboard);
Shared.textureManager().addTextureId(b, "texture", false);
b.recycle();
t = new TextureVo("texture");
}
Random r = new Random();
for (int i = 0; i < _ballCount; i++) {
Sphere s = new Sphere((float) (_ballSize * .001), 10, 10);
if (t != null) s.textures().add(t);
if (_style == 0) s.renderType(RenderType.TRIANGLES);
if (_style == 1) s.renderType(RenderType.POINTS);
else if (_style == 2) s.renderType(RenderType.LINES);
else if (_style == 3) s.renderType(RenderType.LINE_LOOP);
else if (_style == 4) s.renderType(RenderType.LINE_STRIP);
else if (_style == 5) s.renderType(RenderType.TRIANGLE_STRIP);
else if (_style == 6) s.renderType(RenderType.TRIANGLE_FAN);
s.position().x = r.nextFloat();
s.position().y = r.nextFloat();
s.position().z = r.nextInt(15) * -1;
s.rotation().x = r.nextInt(100);
s.rotation().y = r.nextInt(100);
if (_theme == 2) {
s.colorMaterialEnabled(true);
s.vertexColorsEnabled(true);
} else {
s.vertexColorsEnabled(false);
}
_scene.addChild(s);
}
}
