HertBeat Wallpaper

CustomMaterial.java

package au.com.dealsmap.lwp.water_ripple_pro;

import android.opengl.GLES20;
import rajawali.materials.SimpleMaterial;

public class CustomMaterial extends SimpleMaterial {
	protected static final String mCustomFShader = 
			"precision mediump float;\n" +

			"uniform float uTime;\n" +
			"uniform float uColor;\n" +
			"varying vec2 vTextureCoord;\n" +

			"void main() {\n" +
			"     vec2 res = vec2(490.0,384.0);\n" +
			" vec2 p = (2.0*gl_FragCoord.xy-res)/res.y;\n" +
			
			
    // animate
    "float tt = mod(uTime,2.0)/2.0;\n" +
    "float ss = pow(tt,.2)*0.5 + 0.5;\n" +
    "ss -= ss*0.2*sin(tt*6.2831*5.0)*exp(-tt*6.0);\n" +
    "p *= vec2(0.5,1.5) + ss*vec2(0.5,-0.5);\n" +
    
    "float a = atan(p.x,p.y)/3.141593;\n" +
    "float r = length(p);\n" +

    // shape
    "float h = abs(a);\n" +
    "float d = (13.0*h - 22.0*h*h + 10.0*h*h*h)/(6.0-5.0*h);\n" +

    // color
    "float f = step(r,d) * pow(1.0-r/d,0.25);\n" +
    "float g = sin(uColor);\n" +
	
			"	gl_FragColor = vec4(f,g,0.0,1.0);\n" +
			"}\n";
	
	protected int muTimeHandle;

	protected int muColorHandle;
	
	public CustomMaterial() {
		super(mVShader, mCustomFShader);
		setShaders();
	}
	
	@Override
	public void setShaders(String vertexShader, String fragmentShader)
	{
		super.setShaders(vertexShader, fragmentShader);
		muTimeHandle = GLES20.glGetUniformLocation(mProgram, "uTime");
		muColorHandle = GLES20.glGetUniformLocation(mProgram, "uColor");
		if(muTimeHandle == -1) {
			throw new RuntimeException("Could not get uniform location for uTime");
		}
	}
	
	public void setTime(float time) {
		GLES20.glUniform1f(muTimeHandle, time);
	}

	public void setTouch(float color) {
		// TODO Auto-generated method stub
		GLES20.glUniform1f(muColorHandle, color);
	}
}

MyWallpaperRenderer.java

package au.com.dealsmap.lwp.water_ripple_pro;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;
import rajawali.Camera2D;
import rajawali.primitives.Plane;
import rajawali.renderer.RajawaliRenderer;
import rajawali.util.RajLog;
import android.content.Context;
import android.view.MotionEvent;

public class MyWallpaperRenderer extends RajawaliRenderer {
	private float mTime;
	private CustomMaterial mCustomMaterial;

	public MyWallpaperRenderer(Context context) {
		super(context);
		setCamera(new Camera2D());
		setFrameRate(60);
		mTime = 0;
	}
	
	protected void initScene() {
		mCustomMaterial = new CustomMaterial();

		Plane plane = new Plane(1, 1, 1, 1, 1);
		plane.setMaterial(mCustomMaterial);
		addChild(plane);
	}

	public void onSurfaceCreated(GL10 gl, EGLConfig config) {
		super.onSurfaceCreated(gl, config);
	}

	public void onDrawFrame(GL10 glUnused) {
		super.onDrawFrame(glUnused);
		mTime += .2f;
		mCustomMaterial.setTime(mTime);
	}

	@Override
	public void onTouchEvent(MotionEvent event) {
		// TODO Auto-generated method stub
		super.onTouchEvent(event);
		mCustomMaterial.setTouch(event.getX());
	}
	
	
}