/**
* Rotates this object (optionally from its initial orientation) around the provided axis by the
* specified angle.
*
* @param axis {@link Vector3} The axis or rotation.
* @param angle {@code double} The angle of rotation.
* @param append {@code boolean} If true, the rotation is applied to the current orientation.
*/
public void rotateAround(Vector3 axis, double angle, boolean append) {
if (append) {
mTmpOrientation.fromAngleAxis(axis, angle);
mOrientation.multiply(mTmpOrientation);
} else {
mOrientation.fromAngleAxis(axis, angle);
}
markModelMatrixDirty();
}
public void setSensorOrientation(float[] quaternion) {
synchronized (mCameraOrientationLock) {
mCameraOrientation.x = quaternion[1];
mCameraOrientation.y = quaternion[2];
mCameraOrientation.z = quaternion[3];
mCameraOrientation.w = quaternion[0];
mScratchQuaternion1.fromAngleAxis(Axis.X, -90);
mScratchQuaternion1.multiply(mCameraOrientation);
mScratchQuaternion2.fromAngleAxis(Axis.Z, -90);
mScratchQuaternion1.multiply(mScratchQuaternion2);
mCameraOrientation.setAll(mScratchQuaternion1);
}
}
private void createFloor() {
//
// -- Load a bitmap that represents the terrain. Its color values will
// be used to generate heights.
//
Plane mPlane = new Plane(500, 500, 100, 100);
mPlane.setPosition(0, 0, 0);
mPlane.setDoubleSided(true);
Material material1 = new Material();
material1.setColorInfluence(0);
Bitmap picTexture =
BitmapFactory.decodeResource(mContext.getResources(), R.drawable.squares_big);
try {
material1.addTexture(new Texture("squares", picTexture));
} catch (TextureException e) {
e.printStackTrace();
}
mPlane.setMaterial(material1);
// Set orientation of the plane.
Quaternion q = new Quaternion();
q.fromAngleAxis(Vector3.Axis.X, 90);
mPlane.setOrientation(q);
getCurrentScene().addChild(mPlane);
try {
getCurrentScene()
.setSkybox(
R.drawable.right,
R.drawable.left,
R.drawable.top,
R.drawable.bottom,
R.drawable.front,
R.drawable.back);
} catch (TextureException e) {
e.printStackTrace();
}
}
/**
* Sets the rotation of this {@link ATransformable3D} by the rotation described by the provided
* axis and angle of rotation. If this is part of a scene graph, the graph will be notified of the
* change.
*
* @param x double The x component of the axis of rotation.
* @param y double The y component of the axis of rotation.
* @param z double The z component of the axis of rotation.
* @param angle double The angle of rotation in degrees.
* @return A reference to this {@link ATransformable3D} to facilitate chaining.
*/
public ATransformable3D setRotation(double x, double y, double z, double angle) {
mOrientation.multiply(mTmpOrientation.fromAngleAxis(x, y, z, angle));
mLookAtValid = false;
markModelMatrixDirty();
return this;
}
/**
* Sets the rotation of this {@link ATransformable3D} by the rotation described by the provided
* {@link Vector3.Axis} cardinal axis and angle of rotation. If this is part of a scene graph, the
* graph will be notified of the change.
*
* @param axis {@link Vector3.Axis} The axis of rotation.
* @param angle double The angle of rotation in degrees.
* @return A reference to this {@link ATransformable3D} to facilitate chaining.
*/
public ATransformable3D setRotation(final Vector3.Axis axis, double angle) {
mOrientation.multiply(mTmpOrientation.fromAngleAxis(axis, angle));
mLookAtValid = false;
markModelMatrixDirty();
return this;
}
