void CreateMaterials()
{
if (FXMaterialHBlur == null)
{
FXMaterialHBlur = new Material(FXShaderHBlur);
FXMaterialHBlur.hideFlags = HideFlags.HideAndDontSave;
}
if (FXMaterialVBlur == null)
{
FXMaterialVBlur = new Material(FXShaderVBlur);
FXMaterialVBlur.hideFlags = HideFlags.HideAndDontSave;
}
if (FXMaterialNeon == null)
{
FXMaterialNeon = new Material(FXShaderNeon);
FXMaterialNeon.hideFlags = HideFlags.HideAndDontSave;
}
FXMaterialHBlur.SetFloat("_Shift", shiftOffset);
FXMaterialVBlur.SetFloat("_Shift", shiftOffset);
FXMaterialNeon.SetFloat("_GlowCoef", glowCoef);
FXMaterialNeon.SetFloat("_WhiteCoef", whiteCoef);
FXMaterialNeon.SetFloat("_WhitePow", whitePow);
}
void OnRenderImage(RenderTexture source, RenderTexture destination) //Fonction appelée par unity à chaque fin de rendu. C'est maintenant qu'on fait le post-effet
{
CreateMaterials();
RenderTexture rtEmission = RenderTexture.GetTemporary(Screen.width, Screen.height);
RenderTexture rtHBlur = RenderTexture.GetTemporary(Screen.width, Screen.height);
RenderTexture rtVBlur = RenderTexture.GetTemporary(Screen.width, Screen.height);
Graphics.Blit(cameraNeon.rt, rtEmission);
for (int i = 0; i < nbPass; i++)
{
Graphics.Blit(rtEmission, rtHBlur, FXMaterialHBlur); // Horizontal blur
Graphics.Blit(rtHBlur, rtEmission, FXMaterialVBlur); // Vertical blur
}
FXMaterialNeon.SetTexture("_NeonTex", cameraNeon.rt);
FXMaterialNeon.SetTexture("_BlurredNeonTex", rtEmission);
Graphics.Blit(source, destination, FXMaterialNeon);
RenderTexture.ReleaseTemporary(rtEmission);
RenderTexture.ReleaseTemporary(rtHBlur);
RenderTexture.ReleaseTemporary(rtVBlur);
}
