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uniform sampler2D texture;
uniform sampler2D normalTex;
varying vec2 texCoord;
varying vec4 color;
varying vec4 fragCoord;
uniform vec4 ambientLight;
uniform vec4 light[128];
uniform vec4 lightColor[128];
uniform float lightImpact;
uniform int lightSize;
void main()
{
vec2 texLoc = vec2(texCoord.x, 1-texCoord.y);
vec4 pixTex = texture2D(texture, texLoc);
if (pixTex.a < 0.1f)
discard;
vec4 shadeColor = vec4(0.0f, 0.0f, 0.0f, 0.0f);
if (lightImpact > 0.0f) {
for (int i = 0; i < lightSize; i++) {
vec2 loc = light[i].xy;
float dist = length(loc - fragCoord.xy);
if (dist < light[i].w) {
float attenuation = clamp(1.0f - dist*dist/(light[i].w*light[i].w), 0.0f, 1.0f);
attenuation *= attenuation;
shadeColor += (vec4(attenuation, attenuation, attenuation, 0.0f) * vec4(lightColor[i])) * lightImpact;
}
}
}
shadeColor += ambientLight;
gl_FragColor = pixTex * color * shadeColor;
}
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