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author | talha <talha@talhaamir.xyz> | 2024-04-06 03:26:09 +0500 |
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committer | talha <talha@talhaamir.xyz> | 2024-04-06 03:26:09 +0500 |
commit | 21439a3eeb0a91e1f0f3f653492574b6a79e867d (patch) | |
tree | 05cab1476dadd663ba0c249bf2dfa9ebd3a0e0c5 /source/shaders/model/model.fs.glsl | |
parent | 02077305a5b63fcf7242ac909d8caed5cc3cf18f (diff) |
Completed Depth Testing
Diffstat (limited to 'source/shaders/model/model.fs.glsl')
-rw-r--r-- | source/shaders/model/model.fs.glsl | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/source/shaders/model/model.fs.glsl b/source/shaders/model/model.fs.glsl deleted file mode 100644 index 87da0b6..0000000 --- a/source/shaders/model/model.fs.glsl +++ /dev/null @@ -1,152 +0,0 @@ -#version 330 core - -#define MAX_TEXTURES 32 -struct Material { - sampler2D diffuse[MAX_TEXTURES]; - sampler2D specular[MAX_TEXTURES]; - float shininess; -}; - -struct DirectionalLight { - vec3 direction; - - vec3 ambient; - vec3 diffuse; - vec3 specular; -}; - -struct PointLight { - vec3 position; - - vec3 ambient; - vec3 diffuse; - vec3 specular; - - // attentuation factors - float kC; - float kL; - float kQ; -}; - -struct SpotLight { - vec3 position; - - vec3 ambient; - vec3 diffuse; - vec3 specular; - - // attenuation factors - float kC; - float kL; - float kQ; - - // vector for the direction directly in front of the spotlight - vec3 front; - - // spot radius - float radius_inner; - float radius_outer; // to smooth out the light - -}; - -// this is the result of a light creation. This contains the multipliers for each kind of a light we want -// to have. -struct LightFactor { - vec3 ambient; - vec3 diffuse; - vec3 specular; -}; - -in vec2 TexCoords; -in vec3 FragNormal; -in vec3 VertexWorldPos; -uniform Material material; -uniform PointLight pointLight; -uniform DirectionalLight dirLight; -uniform vec3 cameraPosition; - -out vec4 FragColor; - -LightFactor make_directional_light(DirectionalLight light, vec3 CONST_viewDir) { - LightFactor res; - - vec3 DL_lightDir = normalize(-light.direction); - res.ambient = light.ambient; - - float DL_diffuseStrength = max(dot(DL_lightDir, FragNormal), 0.0); - res.diffuse = light.diffuse * DL_diffuseStrength; - - vec3 DL_reflectDir = reflect(-DL_lightDir, FragNormal); - float DL_specularity = max(dot(CONST_viewDir, DL_reflectDir), 0.0); - float DL_shinePower = pow(DL_specularity, material.shininess); - res.specular = light.specular * DL_shinePower; - - return res; -}; - -LightFactor make_point_light(PointLight light, vec3 CONST_viewDir) { - LightFactor res; - - float PL_lightDistance = length(light.position - VertexWorldPos); - float PL_attenuationFactor = 1.0 / - (light.kC + (light.kL * PL_lightDistance) + (light.kQ * PL_lightDistance * PL_lightDistance)); - res.ambient = PL_attenuationFactor * light.ambient; - - vec3 PL_lightDir = normalize(light.position - VertexWorldPos); - float PL_diffuseStrength = max(dot(PL_lightDir, FragNormal), 0.0); - res.diffuse = PL_attenuationFactor * light.diffuse * PL_diffuseStrength; - - vec3 PL_reflectDir = reflect(-PL_lightDir, FragNormal); - float PL_specularity = max(dot(CONST_viewDir, PL_reflectDir), 0.0); - float PL_shinePower = pow(PL_specularity, material.shininess); - res.specular = PL_attenuationFactor * PL_shinePower * light.specular; - - return res; -} - -LightFactor make_spot_light(SpotLight light, vec3 CONST_viewDir) { - LightFactor res; - - float SL_lightDistance = length(light.position - VertexWorldPos); - float SL_attenuationFactor = 1.0 / - (light.kC + (light.kL * SL_lightDistance) + (light.kQ * SL_lightDistance * SL_lightDistance)); - vec3 SL_lightDir = normalize(light.position - VertexWorldPos); - - res.ambient = SL_attenuationFactor * light.ambient; - - float SL_diffAmount = dot(SL_lightDir, normalize(-light.front)); - float SL_spotLightFadeFactor = clamp((SL_diffAmount - light.radius_outer)/(light.radius_inner - light.radius_outer), 0.0f, 1.0f); - float SL_diffuseStrength = max(dot(SL_lightDir, FragNormal), 0.0); - res.diffuse = SL_spotLightFadeFactor * SL_attenuationFactor * light.diffuse * SL_diffuseStrength; - - vec3 SL_reflectDir = reflect(-SL_lightDir, FragNormal); - float SL_specularity = max(dot(CONST_viewDir, SL_reflectDir), 0.0); - float SL_shinePower = pow(SL_specularity, material.shininess); - res.specular = SL_spotLightFadeFactor * SL_attenuationFactor * SL_shinePower * light.specular; - - return res; -} - -void main() { - vec3 CONST_viewDir = normalize(cameraPosition - VertexWorldPos); - vec3 combinedAmbience = vec3(0.0); - vec3 combinedDiffuse = vec3(0.0); - vec3 combinedSpecular = vec3(0.0); - - LightFactor DL_factors = make_directional_light(dirLight, CONST_viewDir); - combinedAmbience += DL_factors.ambient; - combinedDiffuse += DL_factors.diffuse; - combinedSpecular += DL_factors.specular; - - //LightFactor PL_factors = make_point_light(pointLight, CONST_viewDir); - //combinedAmbience += PL_factors.ambient; - //combinedDiffuse += PL_factors.diffuse; - //combinedSpecular += PL_factors.specular; - - vec3 ambientLight = combinedAmbience * vec3(texture(material.diffuse[0], TexCoords)); - vec3 diffuseLight = combinedDiffuse * vec3(texture(material.diffuse[0], TexCoords)); - vec3 specularLight = combinedSpecular * vec3(texture(material.specular[0], TexCoords)); - - vec3 color = ambientLight + diffuseLight + specularLight; - FragColor = vec4(color, 1.0); -}; |