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Added chromatic aberration

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This commit is contained in:
Hugo Willaume 2019-04-08 13:56:34 +09:00
parent 0ca64e14cc
commit 1978e466dd
3 changed files with 16 additions and 6 deletions
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2
BaseGLProject/MyGLWindow.cpp
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@ -112,7 +112,7 @@ void MyGlWindow::shaderSetup()
shaders["Skybox"] = new Shader("skybox.vert", "skybox.frag"); shaders["Skybox"] = new Shader("skybox.vert", "skybox.frag");
shaders["Skybox"]->uniformFlags = MVP_FLAG | MODEL_MATRIX_FLAG | SKYBOX_TEX_FLAG; shaders["Skybox"]->uniformFlags = MVP_FLAG | MODEL_MATRIX_FLAG | SKYBOX_TEX_FLAG;
shaders["Skybox"]->addUniform("ReflectFactor", (float)0.1); shaders["Skybox"]->addUniform("ReflectFactor", (float)0.1);
shaders["Skybox"]->addUniform("RefractionIndex", (float)0.95); shaders["Skybox"]->addUniform("RefractionIndex", glm::vec3(0.65, 0.67, 0.69));
} }

10
BaseGLProject/skybox.frag
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@ -3,7 +3,10 @@
out vec4 FragColors; out vec4 FragColors;
in vec3 reflectDir; in vec3 reflectDir;
in vec3 refractDir;
in vec3 refractDir_R;
in vec3 refractDir_G;
in vec3 refractDir_B;
uniform float ReflectFactor; uniform float ReflectFactor;
uniform bool DrawSkyBox; uniform bool DrawSkyBox;
@ -12,7 +15,10 @@ uniform samplerCube CubeMapTex;
void main() void main()
{ {
vec4 reflectColor = texture(CubeMapTex, reflectDir); vec4 reflectColor = texture(CubeMapTex, reflectDir);
vec4 refractColor = texture(CubeMapTex, refractDir); float refractColor_R = texture(CubeMapTex, refractDir_R).r;
float refractColor_G = texture(CubeMapTex, refractDir_G).g;
float refractColor_B = texture(CubeMapTex, refractDir_B).b;
vec4 refractColor = vec4(refractColor_R, refractColor_G, refractColor_B, 1);
if (DrawSkyBox == true) if (DrawSkyBox == true)
FragColors = reflectColor; FragColors = reflectColor;
else else

10
BaseGLProject/skybox.vert
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@ -6,9 +6,11 @@ layout(location=2) in vec3 v_color;
layout(location=3) in vec2 v_texmap; layout(location=3) in vec2 v_texmap;
out vec3 reflectDir; out vec3 reflectDir;
out vec3 refractDir; out vec3 refractDir_R;
out vec3 refractDir_G;
out vec3 refractDir_B;
uniform float RefractionIndex; uniform vec3 RefractionIndex;
uniform mat4 ModelMatrix; uniform mat4 ModelMatrix;
uniform mat4 mvp; uniform mat4 mvp;
uniform bool DrawSkyBox; uniform bool DrawSkyBox;
@ -27,7 +29,9 @@ void main(void)
vec3 N = normalize(ModelMatrix * vec4(v_normal, 1)).xyz; vec3 N = normalize(ModelMatrix * vec4(v_normal, 1)).xyz;
vec3 V = normalize(WorldCamPos - coord3d); vec3 V = normalize(WorldCamPos - coord3d);
reflectDir = reflect(-V, N); reflectDir = reflect(-V, N);
refractDir = refract(-V, N, RefractionIndex); refractDir_R = refract(-V, N, RefractionIndex.r);
refractDir_G = refract(-V, N, RefractionIndex.g);
refractDir_B = refract(-V, N, RefractionIndex.b);
} }
gl_Position = mvp * vec4(coord3d, 1.0f); gl_Position = mvp * vec4(coord3d, 1.0f);