ShadowCube.java

/*
 * Copyright 2016 Nathan Howard
 * 
 * This file is part of OpenGrave
 * 
 * OpenGrave is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * OpenGrave is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with OpenGrave. If not, see <http://www.gnu.org/licenses/>.
 */
package com.opengrave.og.light;

import com.opengrave.og.engine.PointLightNode;
import com.opengrave.og.engine.RenderView;
import com.opengrave.og.util.Matrix4f;

public class ShadowCube implements Shadow {

	private PointLightNode light;
	private DepthCubeFramebuffer framebuffer;

	public ShadowCube(int size) {
		framebuffer = new DepthCubeFramebuffer(size);
	}

	private int currentFace;

	public void setFace(int i) {
		currentFace = i;
	}

	public Matrix4f getMVP(Matrix4f Model, RenderView context) {
		if (light == null) {
			return new Matrix4f();
		}
		Matrix4f VP = CubeData.data.get(currentFace).getMatrix(light.getPosition(), context);
		return VP.mult(Model, null);
	}

	public DepthCubeFramebuffer getFramebuffer() {
		return framebuffer;
	}

	public void update(float delta) {

	}

	public void setLight(PointLightNode light2) {
		this.light = light2;
	}

	public PointLightNode getLight() {
		return light;
	}

}