render shadowmap and irradiance

1 files changed, 34 insertions, 0 deletions

diff --git a/shaders/frag_irradiance.glsl b/shaders/frag_irradiance.glsl
new file mode 100644
index 0000000..9e14ebe
--- /dev/null
+++ b/shaders/frag_irradiance.glsl
@@ -0,0 +1,34 @@
+#version 330 core

+

+in vec3 FragPos;

+in vec3 Normal;

+

+out vec4 FragColor;

+

+uniform sampler2D shadowmapTexture;

+

+uniform vec3 objectColor;

+uniform vec3 lightColor;

+uniform vec3 lightPos;

+uniform vec3 viewPos;

+

+void main()

+{

+  vec3 norm = normalize(Normal);

+  vec3 lightDir = normalize(lightPos - FragPos);

+

+  float diff = max(dot(norm, lightDir), 0.0);

+  vec3 diffuse = diff * lightColor;

+

+  float ambientStrength = 0.1;

+  vec3 ambient = ambientStrength * lightColor;

+

+  float specularStrength = 0.5;

+  vec3 viewDir = normalize(viewPos - FragPos);

+  vec3 reflectDir = reflect(-lightDir, norm);

+  float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);

+  vec3 specular = specularStrength * spec * lightColor;

+

+  vec3 result = (ambient + diffuse + specular) * objectColor;

+  FragColor = vec4(result, 1.0f);

+}