private void setStaticProjectionAndCamera(Graphics graphics, Application app, GL10 gl) {
gl.glMatrixMode(GL10.GL_PROJECTION);
gl.glLoadIdentity();
// x=left-right, y=up-down, z=back-forward
camera.far = 1000000;
camera.position.set(0, 7f + 0, 9f + 0);
// camera.direction.set(0, 0, -4f).sub(camera.position).nor();
camera.fieldOfView = 67;
float orbitRadius = (new Vector3(0, 0, 0).dst(camera.position));
camera.position.set(new Vector3(0, 0, 0));
camera.rotate(Splash.cameraHorizAngle, 0, 1, 0);
Vector3 orbitReturnVector = new Vector3(0, 0, 0);
orbitReturnVector.set(camera.direction.tmp().mul(-orbitRadius));
camera.translate(orbitReturnVector.x, orbitReturnVector.y, orbitReturnVector.z);
camera.update();
camera.apply(gl);
orbitRadius = (new Vector3(0, 0, 0)).dst(camera.position);
camera.position.set(new Vector3(0, 0, 0));
camera.rotate(Splash.cameraVertAngle, 1, 0, 0);
orbitReturnVector = new Vector3(0, 0, 0);
orbitReturnVector.set(camera.direction.tmp().mul(-orbitRadius));
camera.translate(orbitReturnVector.x, orbitReturnVector.y, orbitReturnVector.z);
camera.update();
camera.apply(gl);
gl.glMatrixMode(GL10.GL_MODELVIEW);
Splash.cameraHorizAngle = 0;
Splash.cameraVertAngle = 0;
}
@Override
public void render() {
GL10 gl = Gdx.graphics.getGL10();
gl.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
gl.glClearColor(0.7f, 0.7f, 0.7f, 1);
gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glLoadIdentity();
gl.glRotatef(angle, 0, 0, 1);
angle += angleIncrement;
gl.glEnable(GL10.GL_TEXTURE_2D);
gl.glEnableClientState(GL10.GL_COLOR_ARRAY);
vertices.position(0);
gl.glColorPointer(4, GL10.GL_FLOAT, BYTES_PER_VERTEX, vertices);
gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
gl.glClientActiveTexture(GL10.GL_TEXTURE0);
gl.glActiveTexture(GL10.GL_TEXTURE0);
tex.bind();
vertices.position(4);
gl.glTexCoordPointer(2, GL10.GL_FLOAT, BYTES_PER_VERTEX, vertices);
gl.glClientActiveTexture(GL10.GL_TEXTURE1);
gl.glActiveTexture(GL10.GL_TEXTURE1);
tex2.bind();
vertices.position(6);
gl.glTexCoordPointer(2, GL10.GL_FLOAT, BYTES_PER_VERTEX, vertices);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
vertices.position(8);
gl.glVertexPointer(3, GL10.GL_FLOAT, BYTES_PER_VERTEX, vertices);
gl.glDrawArrays(GL10.GL_TRIANGLES, 0, 3);
}
private void setupMatrices() {
if (!Gdx.graphics.isGL20Available()) {
GL10 gl = Gdx.gl10;
gl.glMatrixMode(GL10.GL_PROJECTION);
gl.glLoadMatrixf(projectionMatrix.val, 0);
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glLoadMatrixf(transformMatrix.val, 0);
} else {
combinedMatrix.set(projectionMatrix).mul(transformMatrix);
if (customShader != null) {
customShader.setUniformMatrix("u_proj", projectionMatrix);
customShader.setUniformMatrix("u_trans", transformMatrix);
customShader.setUniformMatrix("u_projTrans", combinedMatrix);
customShader.setUniformi("u_texture", 0);
} else {
shader.setUniformMatrix("u_projectionViewMatrix", combinedMatrix);
shader.setUniformi("u_texture", 0);
}
}
}
