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shadow

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Nishi 2026-01-05 23:02:30 +09:00
commit 8ea9cdf08c
Signed by: nishi
GPG key ID: 27EF69B208EB9343
8 changed files with 108 additions and 43 deletions
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15
resource/shadow.fs
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@ -2,7 +2,18 @@
uniform sampler2DShadow texture;
varying vec4 shadow;
varying vec4 color;
uniform float solid_color;
uniform sampler2D texture_in;
void main (void){
gl_FragColor = shadow + (gl_Color - shadow) * shadow2DProj(texture, gl_TexCoord[0]);
vec4 c;
if(solid_color > 0.5){
c = color;
}else{
c = texture2D(texture_in, gl_TexCoord[1].st);
}
gl_FragColor = (shadow + (gl_Color - shadow) * shadow2DProj(texture, gl_TexCoord[0])) * c;
}

10
resource/shadow.vs
View file

@ -1,24 +1,28 @@
#version 110
varying vec4 shadow;
varying vec4 color;
void main(void){
vec3 position = vec3(gl_ModelViewMatrix * gl_Vertex);
vec3 normal = normalize(gl_NormalMatrix * gl_Normal);
vec3 light = normalize(gl_LightSource[0].position.xyz - position);
float diffuse = dot(light, normal);
color = gl_Color;
gl_FrontColor = gl_LightSource[0].ambient * gl_Color;
gl_FrontColor = gl_LightSource[0].ambient;
shadow = gl_FrontColor;
if (diffuse > 0.0){
vec3 view = normalize(position);
vec3 halfway = normalize(light - view);
float specular = pow(max(dot(normal, halfway), 0.0), gl_FrontMaterial.shininess);
vec4 temp = gl_LightSource[0].diffuse * gl_Color * diffuse;
vec4 temp = gl_LightSource[0].diffuse * diffuse;
shadow += temp * 0.2;
gl_FrontColor += temp + gl_FrontLightProduct[0].specular * specular;
}
gl_TexCoord[0] = gl_TextureMatrix[0] * gl_ModelViewMatrix * gl_Vertex;
gl_TexCoord[1] = gl_MultiTexCoord0;
gl_Position = ftransform();
}