var vShader = `
	attribute vec2 aXY;

	attribute vec3 aRGB;
	varying vec3 vRGB;

	void main()
	{
		gl_Position = vec4(aXY,0,1);
		vRGB = aRGB;
	}
`;

var fShader = `
	precision mediump float;
	varying vec3 vRGB;

	void main()
	{
		gl_FragColor = vec4(vRGB,1);
	}
`;