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#version 330 core
out vec4 fragColor;
// Additional information for lighting
in vec4 normal_worldSpace;
in vec4 position_worldSpace;
in vec4 force_worldSpace;
uniform int wire = 0;
uniform float red = 1.0;
uniform float green = 1.0;
uniform float blue = 1.0;
uniform float alpha = 1.0;
uniform int displayForce = 0;
void main() {
if (wire == 1) {
fragColor = vec4(0.0, 0.0, 0.0, 1);
return;
}
vec4 lightPos = vec4(-2.0, 2.0, -3.0 , 1.0);
vec3 lightColor = vec3(1.0f, alpha, 0.0f);
vec4 lightDir = normalize(-lightPos + position_worldSpace);
float c = clamp(dot(-normal_worldSpace, lightDir), 0, 1);
if(displayForce == 1) {
fragColor = force_worldSpace;
return;
}
float r = red;
float g = green;
float b = blue;
// if (displayForce == 1 && wire == 0) {
// r = force_worldSpace[0];
// g = force_worldSpace[1];
// b = force_worldSpace[2];
// }
fragColor = vec4(r * c * lightColor[0], g * c * lightColor[0], b * c * lightColor[0], 1);
}
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