TouchHandlerpublic class TouchHandler extends Object
| Fields Summary |
|---|
| private static String | TAG | | float | mLastX | | float | mLastY | | float | mRotateXValue | | float | mRotateYValue | | android.renderscript.Float3 | mDistValue | | android.renderscript.Float3 | mPosValue | | CompoundTransform | mCameraRig | | com.android.scenegraph.CompoundTransform.RotateComponent | mRotateX | | com.android.scenegraph.CompoundTransform.RotateComponent | mRotateY | | com.android.scenegraph.CompoundTransform.TranslateComponent | mDist | | com.android.scenegraph.CompoundTransform.TranslateComponent | mPosition | | Camera | mCamera |
| Methods Summary |
|---|
| public Camera | getCamera()
return mCamera;
| | public void | init(Scene scene)
// Some initial values for camera position
mRotateXValue = -20;
mRotateYValue = 0;
mDistValue = new Float3(0, 0, 45);
mPosValue = new Float3(0, 4, 0);
// Make a camera transform we can manipulate
mCameraRig = scene.appendNewCompoundTransform();
mCameraRig.setName("CameraRig");
mPosition = mCameraRig.addTranslate("Position", mPosValue);
mRotateY = mCameraRig.addRotate("RotateY", new Float3(0, 1, 0), mRotateYValue);
mRotateX = mCameraRig.addRotate("RotateX", new Float3(1, 0, 0), mRotateXValue);
mDist = mCameraRig.addTranslate("Distance", mDistValue);
mCamera = scene.appendNewCamera();
mCamera.setTransform(mCameraRig);
| | public void | onActionDown(float x, float y)
mLastX = x;
mLastY = y;
| | public void | onActionMove(float x, float y)
if (mRotateX == null) {
return;
}
float dx = mLastX - x;
float dy = mLastY - y;
if (Math.abs(dy) <= 2.0f) {
dy = 0.0f;
}
if (Math.abs(dx) <= 2.0f) {
dx = 0.0f;
}
mRotateYValue += dx * 0.25f;
mRotateYValue %= 360.0f;
mRotateXValue += dy * 0.25f;
mRotateXValue = Math.max(mRotateXValue , -80.0f);
mRotateXValue = Math.min(mRotateXValue , 0.0f);
mRotateX.setAngle(mRotateXValue);
mRotateY.setAngle(mRotateYValue);
mLastX = x;
mLastY = y;
| | public void | onActionScale(float scale)
if (mDist == null) {
return;
}
mDistValue.z *= 1.0f / scale;
mDistValue.z = Math.max(10.0f, Math.min(mDistValue.z, 150.0f));
mDist.setValue(mDistValue);
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