openMSX
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Snow effect for background layer. More...
#include <GLSnow.hh>
Public Member Functions | |
GLSnow (Display &display) | |
void | paint (OutputSurface &output) override |
Paint this layer. More... | |
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virtual | ~Layer ()=default |
virtual void | paint (OutputSurface &output)=0 |
Paint this layer. More... | |
ZIndex | getZ () const |
Query the Z-index of this layer. More... | |
bool | isActive () const |
Coverage | getCoverage () const |
Query the coverage of this layer. More... | |
void | setDisplay (LayerListener &display_) |
Store pointer to Display. More... | |
Additional Inherited Members | |
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enum | ZIndex { Z_DUMMY = -1 , Z_BACKGROUND = 0 , Z_MSX_PASSIVE = 30 , Z_MSX_ACTIVE = 40 , Z_OSDGUI = 50 , Z_CONSOLE = 100 } |
Determines stacking order of layers: layers with higher Z-indices are closer to the viewer. More... | |
enum | Coverage { COVER_FULL , COVER_PARTIAL , COVER_NONE } |
Describes how much of the screen is currently covered by a particular layer. More... | |
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Layer (Coverage coverage_=COVER_NONE, ZIndex z_=Z_DUMMY) | |
Construct a layer. More... | |
void | setCoverage (Coverage coverage_) |
Changes the current coverage of this layer. More... | |
void | setZ (ZIndex z) |
Changes the current Z-index of this layer. More... | |
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explicit |
Definition at line 13 of file GLSnow.cc.
References ranges::generate(), openmsx::get(), and global_urng().
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overridevirtual |
Paint this layer.
Implements openmsx::Layer.
Definition at line 49 of file GLSnow.cc.
References gl::Texture::bind(), gl::context, openmsx::get(), random_float(), and openmsx::Display::repaintDelayed().