private void setTransformation(Matrix4f transformation) {
// Compute the modelview matrix by multiplying the camera matrix and
// the transformation matrix of the object
Matrix4f modelview = new Matrix4f(sceneManager.getCamera().getCameraMatrix());
modelview.mul(transformation);
// Set modelview and projection matrices in shader
gl.glUniformMatrix4fv(
gl.glGetUniformLocation(activeShaderID, "modelview"),
1,
false,
transformationToFloat16(modelview),
0);
gl.glUniformMatrix4fv(
gl.glGetUniformLocation(activeShaderID, "projection"),
1,
false,
transformationToFloat16(sceneManager.getFrustum().getProjectionMatrix()),
0);
int id = gl.glGetUniformLocation(activeShaderID, "camera");
if (id != -1) {
Vector3f cop = sceneManager.getCamera().getCenterOfProjection();
gl.glUniform4f(id, cop.x, cop.y, cop.z, 0);
}
// } else
// System.out.println("Could not get location of uniform variable camera");
}
/**
* This method is called by the GLRenderPanel to redraw the 3D scene. The method traverses the
* scene using the scene manager and passes each object to the rendering method.
*/
public void display(GLAutoDrawable drawable) {
// Get reference to the OpenGL rendering context
gl = drawable.getGL().getGL3();
gl.glPolygonMode(GL3.GL_FRONT_AND_BACK, GL3.GL_POINT);
// Do some processing at the beginning of the frame
beginFrame();
// Traverse scene manager and draw everything
SceneManagerIterator iterator = sceneManager.iterator();
while (iterator.hasNext()) {
RenderItem r = iterator.next();
if (r.getShape() != null
&& r.getShape()
.checkBoundingSphere(sceneManager.getFrustum(), sceneManager.getCamera(), r.getT())) {
draw(r);
}
}
// Do some processing at the end of the frame
endFrame();
}