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This commit is contained in:
Andrzej Kapolka 2013-08-14 16:48:00 -07:00
parent 621d32b506
commit 7cd1360ba7
2 changed files with 12 additions and 5 deletions
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4
interface/src/renderer/GlowEffect.cpp
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@ -59,8 +59,8 @@ void GlowEffect::prepare() {
_isEmpty = true;
}
void GlowEffect::begin(float amount) {
glBlendColor(0.0f, 0.0f, 0.0f, amount);
void GlowEffect::begin(float intensity) {
glBlendColor(0.0f, 0.0f, 0.0f, intensity);
_isEmpty = false;
}

13
interface/src/renderer/GlowEffect.h
View file

@ -13,6 +13,7 @@
class ProgramObject;
/// A generic full screen glow effect.
class GlowEffect : public QObject {
Q_OBJECT
@ -22,11 +23,17 @@ public:
void init();
/// Prepares the glow effect for rendering the current frame. To be called before rendering the scene.
void prepare();
void begin(float amount = 1.0f);
/// Starts using the glow effect.
/// \param float intensity the desired glow intensity, from zero to one
void begin(float intensity = 1.0f);
/// Stops using the glow effect.
void end();
/// Renders the glow effect. To be called after rendering the scene.
void render();
public slots:
@ -45,8 +52,8 @@ private:
ProgramObject* _addSeparateProgram;
ProgramObject* _diffuseProgram;
bool _isEmpty;
bool _isOddFrame;
bool _isEmpty; ///< set when nothing in the scene is currently glowing
bool _isOddFrame; ///< controls the alternation between texture targets in diffuse add mode
};
#endif /* defined(__interface__GlowEffect__) */