CubeMapMaterial.java

package rajawali.materials;

import rajawali.lights.ALight;

import com.monyetmabuk.livewallpapers.photosdof.R;

public class CubeMapMaterial extends AAdvancedMaterial {
	
	public CubeMapMaterial() {
		super(R.raw.cube_map_material_vertex, R.raw.cube_map_material_fragment);
	}
	
	public void setShaders(String vertexShader, String fragmentShader) {
		StringBuffer sb = new StringBuffer();
		StringBuffer vc = new StringBuffer();

		sb.append("vec3 L = vec3(0.0);\n");

		for(int i=0; i<mLights.size(); ++i) {
			ALight light = mLights.get(i);

			if(light.getLightType() == ALight.POINT_LIGHT) {
				sb.append("L = normalize(uLightPosition").append(i).append(" - V.xyz);\n");
				vc.append("dist = distance(V.xyz, uLightPosition").append(i).append(");\n");
				vc.append("vAttenuation").append(i).append(" = 1.0 / (uLightAttenuation").append(i).append("[1] + uLightAttenuation").append(i).append("[2] * dist + uLightAttenuation").append(i).append("[3] * dist * dist);\n");
			} else if(light.getLightType() == ALight.DIRECTIONAL_LIGHT) {
				vc.append("vAttenuation").append(i).append(" = 1.0;\n");
				sb.append("L = -normalize(uLightDirection").append(i).append(");");				
			}
			sb.append("intensity += uLightPower").append(i).append(" * max(dot(N, L), 0.1) * vAttenuation").append(i).append(";\n");
		}
		
		super.setShaders(vertexShader.replace("%LIGHT_CODE%", vc.toString()), fragmentShader.replace("%LIGHT_CODE%", sb.toString()));
	}
}