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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,9 @@ | ||
| varying vec2 v_texCoords; | ||
| void main() { | ||
| vec4 mainColor = texture2D(u_mainTexture, v_texCoords); | ||
| vec4 vignetteColor = texture2D(u_vignetteTexture, v_texCoords); | ||
| vec4 blurColor = texture2D(u_blurTexture, v_texCoords); | ||
| gl_FragColor = mix(mainColor, blurColor, u_blurMix) * vignetteColor; | ||
| vec4 mainColor = texture2D(u_mainTexture, v_texCoords); | ||
| vec4 vignetteColor = texture2D(u_vignetteTexture, v_texCoords); | ||
| vec4 blurColor = texture2D(u_blurTexture, v_texCoords); | ||
| vec4 lightScatteringColor = texture2D(u_lightScatteringTexture, v_texCoords); | ||
| gl_FragColor = (mix(mainColor, blurColor, u_blurMix) + lightScatteringColor ) * vignetteColor; | ||
| // gl_FragColor = mix(mainColor, lightScatteringColor, 0.8f); | ||
| } |
41 changes: 41 additions & 0 deletions
41
core/assets/graphics/postprocessing/fix-light-scattering.frag.glsl
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
|
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| varying vec2 v_texCoords; | ||
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| vec4 getSampleColor(vec2 coords) { | ||
| vec4 rawColor = texture2D(u_mainTexture, coords); | ||
|
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| if (rawColor.r >= 0.01f && rawColor.g == 0.0f && rawColor.b == 0.0f) { | ||
| return vec4(0.0f, 0.0f, 0.0f, 1.0f); | ||
| } else { | ||
| return rawColor; | ||
| } | ||
| } | ||
|
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| void main() { | ||
| vec4 finalColor = vec4(0.0f, 0.0f, 0.0f, 1.0f); | ||
|
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| if (u_lightDirDotViewDir < 0.0f) { | ||
| float lightDirDotViewDir = abs(u_lightDirDotViewDir); | ||
| vec2 texCoord = v_texCoords.st; | ||
| vec2 deltaTexCoord = (1.0 / float(u_numSamples)) * u_density * vec2(texCoord.xy - u_lightPositonOnScreen.xy); | ||
| float dist = length(deltaTexCoord.xy); | ||
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| float threshold = 0.01f; | ||
| if (dist > threshold) { | ||
| deltaTexCoord.xy /= dist / threshold; | ||
| } | ||
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| float illuminationDecay = 1.0f; | ||
| for(int i=0; i < int(u_numSamples); i++) { | ||
| texCoord -= deltaTexCoord; | ||
| vec4 sampleColor = getSampleColor(texCoord); | ||
| sampleColor *= illuminationDecay * u_weight; | ||
| finalColor += sampleColor; | ||
| illuminationDecay *= u_decay; | ||
| } | ||
|
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| finalColor *= u_exposure * lightDirDotViewDir; | ||
| } | ||
|
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| gl_FragColor = finalColor; | ||
| } |
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64 changes: 64 additions & 0 deletions
64
core/src/macbury/forge/shaders/uniforms/UniformLightPositionOnScreen.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package macbury.forge.shaders.uniforms; | ||
|
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| import com.badlogic.gdx.graphics.Camera; | ||
| import com.badlogic.gdx.graphics.g3d.utils.RenderContext; | ||
| import com.badlogic.gdx.graphics.glutils.ShaderProgram; | ||
| import com.badlogic.gdx.math.Vector2; | ||
| import com.badlogic.gdx.math.Vector3; | ||
| import macbury.forge.ForgE; | ||
| import macbury.forge.graphics.skybox.DayNightSkybox; | ||
| import macbury.forge.level.env.LevelEnv; | ||
| import macbury.forge.shaders.utils.BaseUniform; | ||
|
|
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| /** | ||
| * Created by macbury on 31.08.15. | ||
| */ | ||
| public class UniformLightPositionOnScreen extends BaseUniform { | ||
| private static final String UNIFORM_POS_ON_SCREEN = "u_lightPositonOnScreen"; | ||
| private static final String UNIFORM_DOT_DIR_VIEW_NAME = "u_lightDirDotViewDir"; | ||
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| private static final float OFF_SCREEN_RENDER_RATIO = 2.0F; | ||
| private final static Vector3 tempVec = new Vector3(); | ||
| @Override | ||
| public void defineUniforms() { | ||
| define(UNIFORM_POS_ON_SCREEN, Vector2.class); | ||
| define(UNIFORM_DOT_DIR_VIEW_NAME, Float.class); | ||
| } | ||
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| @Override | ||
| public void bind(ShaderProgram shader, LevelEnv env, RenderContext context, Camera camera) { | ||
| if (ForgE.time.isDay()) { | ||
| shader.setUniformf( | ||
| UNIFORM_DOT_DIR_VIEW_NAME, | ||
| tempVec.set(env.mainLight.direction).dot(env.mainCamera.direction) | ||
| ); | ||
| } else { | ||
| shader.setUniformf( UNIFORM_DOT_DIR_VIEW_NAME, 1 ); | ||
| } | ||
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| if (DayNightSkybox.class.isInstance(env.skybox)) { | ||
| DayNightSkybox dayNightSkybox = (DayNightSkybox)env.skybox; | ||
| dayNightSkybox.getLightPosition(tempVec); | ||
| env.mainCamera.project(tempVec); | ||
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| /*tempVec.x /= env.mainCamera.far; | ||
| tempVec.y /= env.mainCamera.far; | ||
| tempVec.x = (tempVec.x + 1.0f) / 2.0f; | ||
| tempVec.y = (tempVec.y + 1.0f) / 2.0f; | ||
| //tempVec.z /= camera.far; | ||
| */ | ||
| shader.setUniformf( | ||
| UNIFORM_POS_ON_SCREEN, | ||
| tempVec.x / env.mainCamera.viewportWidth, | ||
| tempVec.y / env.mainCamera.viewportHeight | ||
| ); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void dispose() { | ||
|
|
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| } | ||
| } |
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