diff options
Diffstat (limited to 'shader')
-rw-r--r-- | shader/ambient.frag | 8 | ||||
-rw-r--r-- | shader/ambient.vert | 8 | ||||
-rw-r--r-- | shader/light.frag (renamed from shader/default.frag) | 12 | ||||
-rw-r--r-- | shader/light.vert (renamed from shader/default.vert) | 3 |
4 files changed, 22 insertions, 9 deletions
diff --git a/shader/ambient.frag b/shader/ambient.frag new file mode 100644 index 0000000..cef0a3b --- /dev/null +++ b/shader/ambient.frag @@ -0,0 +1,8 @@ +uniform sampler2D tex; + +varying vec4 ambient; + + +void main() { + gl_FragColor = ambient * texture2D(tex, gl_TexCoord[0].st); +} diff --git a/shader/ambient.vert b/shader/ambient.vert new file mode 100644 index 0000000..41a36e7 --- /dev/null +++ b/shader/ambient.vert @@ -0,0 +1,8 @@ +varying vec4 ambient; + +void main() { + ambient = gl_LightModel.ambient * gl_FrontMaterial.ambient; + + gl_TexCoord[0] = gl_MultiTexCoord0; + gl_Position = ftransform(); +} diff --git a/shader/default.frag b/shader/light.frag index e2acad0..c3cdbfb 100644 --- a/shader/default.frag +++ b/shader/light.frag @@ -1,6 +1,6 @@ uniform sampler2D tex; -varying vec4 diffuse, ambientGlobal, ambient; +varying vec4 diffuse, ambient; varying vec3 normal, pos; @@ -10,8 +10,6 @@ void main() { vec4 color, specularColor; float dist, att, specularFactor; - color = ambientGlobal; - n = normalize(normal); l = gl_LightSource[0].position.xyz - pos; @@ -26,7 +24,7 @@ void main() { att = 1.0 / (gl_LightSource[0].constantAttenuation + gl_LightSource[0].linearAttenuation * dist + gl_LightSource[0].quadraticAttenuation * dist * dist); - color += att * (diffuse * NdotL + ambient); + color = att * (diffuse * NdotL + ambient); refl = normalize(reflect(-l, n)); eye = normalize(-pos); @@ -34,10 +32,10 @@ void main() { RdotE = max(dot(refl, eye), 0.0); specularFactor = att * pow(RdotE, gl_FrontMaterial.shininess); specularColor = specularFactor * gl_FrontMaterial.specular * gl_LightSource[0].specular; + + gl_FragColor = color * texture2D(tex, gl_TexCoord[0].st) + specularColor; } else { - specularColor = vec4(0, 0, 0, 1); + gl_FragColor = vec4(0, 0, 0, 1); } - - gl_FragColor = color * texture2D(tex, gl_TexCoord[0].st) + specularColor; } diff --git a/shader/default.vert b/shader/light.vert index 00b8118..b97da78 100644 --- a/shader/default.vert +++ b/shader/light.vert @@ -1,4 +1,4 @@ -varying vec4 diffuse, ambientGlobal, ambient; +varying vec4 diffuse, ambient; varying vec3 normal, pos; @@ -10,7 +10,6 @@ void main() { diffuse = gl_FrontMaterial.diffuse * gl_LightSource[0].diffuse; ambient = gl_FrontMaterial.ambient * gl_LightSource[0].ambient; - ambientGlobal = gl_LightModel.ambient * gl_FrontMaterial.ambient; gl_TexCoord[0] = gl_MultiTexCoord0; gl_Position = ftransform(); |