double-hit-balls/assets/simple_shading.fragment

precision mediump float;

uniform sampler2D Texture;
uniform float Transparency;
uniform vec4 LightDirection;

varying vec2 texCoord;
varying vec3 fragNormal;
varying vec3 fragColor;

void main() {
	vec4 color = texture2D(Texture, texCoord).rgba;
	float intensity = dot(normalize(LightDirection.xyz), -normalize(fragNormal));
	
	gl_FragColor = vec4(color.rgb * fragColor.rgb * intensity + vec3(0.5, 0.5, 0.5), color.a * Transparency);	
	//gl_FragColor = vec4((fragNormal.rgb + vec3(1.0, 1.0, 1.0))*0.5, 1.0);
}