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| author | makamys <makamys@outlook.com> | 2022-06-30 12:32:20 +0200 |
|---|---|---|
| committer | makamys <makamys@outlook.com> | 2022-06-30 12:32:20 +0200 |
| commit | c25a4aa69cbababb6c961bcb665841db3ebf127d (patch) | |
| tree | be949a9974f525cf911078da3c3404d182a2615d /src | |
| parent | 88622cb5c118bb73a30da4716f8e4f8c677622a7 (diff) | |
| download | Neodymium-c25a4aa69cbababb6c961bcb665841db3ebf127d.tar.gz Neodymium-c25a4aa69cbababb6c961bcb665841db3ebf127d.tar.bz2 Neodymium-c25a4aa69cbababb6c961bcb665841db3ebf127d.zip | |
Implement exponential fog
Diffstat (limited to 'src')
| -rw-r--r-- | src/main/java/makamys/neodymium/renderer/NeoRenderer.java | 4 | ||||
| -rw-r--r-- | src/main/resources/shaders/chunk.vert | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/src/main/java/makamys/neodymium/renderer/NeoRenderer.java b/src/main/java/makamys/neodymium/renderer/NeoRenderer.java index 6a1c1e9..8d15eed 100644 --- a/src/main/java/makamys/neodymium/renderer/NeoRenderer.java +++ b/src/main/java/makamys/neodymium/renderer/NeoRenderer.java @@ -332,6 +332,8 @@ public class NeoRenderer { int u_projInv = glGetUniformLocation(shaderProgram, "projInv"); int u_fogColor = glGetUniformLocation(shaderProgram, "fogColor"); int u_fogStartEnd = glGetUniformLocation(shaderProgram, "fogStartEnd"); + int u_fogMode = glGetUniformLocation(shaderProgram, "fogMode"); + int u_fogDensity = glGetUniformLocation(shaderProgram, "fogDensity"); glUniformMatrix4(u_modelView, false, modelView); glUniformMatrix4(u_proj, false, projBuf); @@ -339,6 +341,8 @@ public class NeoRenderer { glUniform4f(u_viewport, viewportBuf.get(0),viewportBuf.get(1),viewportBuf.get(2),viewportBuf.get(3)); glUniform4(u_fogColor, fogColorBuf); glUniform2(u_fogStartEnd, fogStartEnd); + glUniform1i(u_fogMode, glGetInteger(GL_FOG_MODE)); + glUniform1f(u_fogDensity, glGetFloat(GL_FOG_DENSITY)); glUniform3f(u_playerPos, (float)eyePosX, (float)eyePosY, (float)eyePosZ); diff --git a/src/main/resources/shaders/chunk.vert b/src/main/resources/shaders/chunk.vert index 823b546..f983323 100644 --- a/src/main/resources/shaders/chunk.vert +++ b/src/main/resources/shaders/chunk.vert @@ -14,6 +14,8 @@ uniform mat4 projInv; uniform vec4 viewport; uniform vec4 fogColor; uniform vec2 fogStartEnd; +uniform int fogMode; +uniform float fogDensity; uniform vec3 playerPos; @@ -49,7 +51,10 @@ void main() vec4 eyePos = (modelView * (vec4(aPos - playerPos, 1.0) + vec4(0, 0.12, 0, 0))); float c = length(eyePos); - float fogFactor = clamp((e - c) / (e - s), 0, 1); + float fogFactor = fogMode == 0x2601 + ? clamp((e - c) / (e - s), 0, 1) /* GL_LINEAR */ + : exp(-fogDensity * c); /* GL_EXP */ + FogFactor = fogFactor; } else { |