// 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); } }