/**
* Creates the matrices that are used for the projection from the 3D-space onto a 2D-screen.
* (Result=ViewMatrix*ProjectionMatrix*ViewportMatrix)
*
* @return the complete matrix
*/
private Matrix4f createMatrices() {
Matrix4f staticMatrix = new Matrix4f(mRenderer.getViewportMatrix());
Matrix4f projMatrix = mRenderer.getSceneManager().getFrustum().getProjectionMatrix();
staticMatrix.mul(projMatrix);
Matrix4f cameraMatrix = mRenderer.getSceneManager().getCamera().getCameraMatrix();
staticMatrix.mul(cameraMatrix);
return staticMatrix;
}
/**
* Instantiates a new GLViewer. Needs a reference to the RenderContext, which renders everything
* to the screen.
*
* @param context The context that the application is running in.
* @param renderer The RenderContext that is used for rendering.
* @param openGLES20 A flag that makes sure that all the OpenGL settings are set appropriately if
* you use version 1.1 or 2.0
*/
public GLViewer(Context context, RendererInterface renderer) {
super(context);
mRenderer = renderer;
mRenderer.setViewer(this);
if (renderer.supportsOpenGLES20()) {
setEGLContextClientVersion(2);
}
setRenderer(mRenderer);
setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
}
/**
* Callback method from the framework if the surface has changed. This usually happens when you
* rotate the screen.
*
* @param width The new width of the view
* @param height The new height of the view
*/
public void surfaceHasChanged(int width, int height) {
mWidth = width;
mHeight = height;
mRenderer.getSceneManager().getFrustum().setAspectRatio((float) width / height);
}