bot.fragmentshader

out vec4 color;
in vec2 uv;
in vec3 vNormal;
in float vEnergy;
uniform sampler2D tex;

void main(){
  float fDotProduct = max(0.0, dot(vNormal, vec3(.577, -.577, .577))) * 0.6;
  vec3 energyColor = vec3(1.0, 1.0, 1.0);
  if (vEnergy < 0.25)
    energyColor = vec3(0.50 + vEnergy * 2.0, 0.0, 0.0);
  else if (vEnergy < 0.5)
    energyColor = vec3(1.0, (vEnergy - 0.25) * 4.0, 0.0);
  else if (vEnergy < 0.75)
    energyColor = vec3(1.0 - (vEnergy - 0.5) * 4.0, 1.0, 0);
  else
  {
    float r = (vEnergy - 0.75) * 4.0;
    energyColor = vec3(r, 1.0, r);
  }

  vec3 rgb = texture(tex, uv).rgb;
  for (int i = 0; i < 10; ++i)
  {
    if (rgb == vec3(i / 255.0, 0.0, 0.0))
    {
      if (matter > i / 10.0)
        color = vec4(0.0, 1.0, 0.0, 1.0);
      else
        color = vec4(0.0, 0.0, 0.0, 1.0);
      return;
    }
  }
  rgb *= energyColor;
  float a = texture(tex, uv).a;
  color = vec4(rgb * fDotProduct + rgb * 0.4, a);
}