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Point light specular intensity and shininess

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Dane Johnson
2021-03-04 15:10:48 -06:00
parent 0562cd8aea
commit a0936c92a9
2 changed files with 15 additions and 6 deletions
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18
shaders/flat.vert
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@@ -60,18 +60,22 @@ float calcDiffuseIntensity(in vec3 direction, in vec3 normal) {
return max(diff, 0.0);
}
float calcSpecularIntensity(in vec3 direction, in vec3 normal, in int shininess) {
vec3 viewDir = normalize((VIEW * MODEL * vec4(pos, 1.0)).xyz);
vec3 reflectionDir = reflect(normalize(direction), normalize(normal));
float spec = dot(viewDir, reflectionDir);
spec = max(spec, 0.0);
spec = pow(spec, shininess);
return spec;
}
void calcDirectionalLight(in vec3 normal) {
AMBIENT += directionalLight.ambient * directionalLight.color * material.ambient;
vec3 direction = -(VIEW * vec4(directionalLight.direction, 0.0)).xyz;
DIFFUSE += directionalLight.diffuse * directionalLight.color * material.diffuse * calcDiffuseIntensity(direction, normal);
vec3 viewDir = normalize((VIEW * MODEL * vec4(pos, 1.0)).xyz);
vec3 reflectionDir = reflect(normalize(direction), normalize(normal));
float spec = dot(viewDir, reflectionDir);
spec = max(spec, 0.0);
spec = pow(spec, material.shininess);
SPECULAR += directionalLight.color * (spec * material.specular);
SPECULAR += directionalLight.color * material.specular * calcSpecularIntensity(direction, normal, material.shininess);
}
void calcPointLight(in vec3 normal, in PointLight pointLight) {
@@ -82,6 +86,8 @@ void calcPointLight(in vec3 normal, in PointLight pointLight) {
AMBIENT += pointLight.color * material.ambient * pointLight.ambient * attenuation;
DIFFUSE += pointLight.color * pointLight.diffuse * material.diffuse * calcDiffuseIntensity(direction, normal);
SPECULAR += pointLight.color * material.specular * calcSpecularIntensity(direction, normal, material.shininess);
}
void main() {