diff options
| author | Simon Robertshaw <simon@hardwired.org.uk> | 2013-03-24 12:24:17 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2013-03-24 12:24:17 (GMT) |
| commit | 9b5b85f9b01cbda7ef9a7ec2a15b2a35630a5b9d (patch) | |
| tree | ac7d040253b459ce102e476cb19ab59e3cfa90d7 /src/gui/game/TriangleBrush.h | |
| parent | 6bf98ccdca39936a3c51367862eed7c49f8786ec (diff) | |
| parent | bdc69f31c0be94191015838886bdcc2bc67f1acb (diff) | |
| download | powder-9b5b85f9b01cbda7ef9a7ec2a15b2a35630a5b9d.zip powder-9b5b85f9b01cbda7ef9a7ec2a15b2a35630a5b9d.tar.gz | |
Merge branch 'reorganisation' of github.com:FacialTurd/The-Powder-Toy
Diffstat (limited to 'src/gui/game/TriangleBrush.h')
| -rw-r--r-- | src/gui/game/TriangleBrush.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/gui/game/TriangleBrush.h b/src/gui/game/TriangleBrush.h new file mode 100644 index 0000000..7d537bd --- /dev/null +++ b/src/gui/game/TriangleBrush.h @@ -0,0 +1,46 @@ +/* + * TriangleBrush.h + * + * Created on: Jan 26, 2012 + * Author: Savely Skresanov + */ + +#ifndef TRIANGLEBRUSH_H_ +#define TRIANGLEBRUSH_H_ + +#include <cmath> +#include "Brush.h" + +class TriangleBrush: public Brush +{ +public: + TriangleBrush(ui::Point size_): + Brush(size_) + { + SetRadius(size_); + }; + virtual void GenerateBitmap() + { + if(bitmap) + delete[] bitmap; + bitmap = new unsigned char[size.X*size.Y]; + int rx = radius.X; + int ry = radius.Y; + for(int x = -rx; x <= rx; x++) + { + for(int y = -ry; y <= ry; y++) + { + if ((abs((rx+2*x)*ry+rx*y) + abs(2*rx*(y-ry)) + abs((rx-2*x)*ry+rx*y))<=(4*rx*ry)) + { + bitmap[(y+ry)*(size.X)+x+rx] = 255; + } + else + { + bitmap[(y+ry)*(size.X)+x+rx] = 0; + } + } + } + } +}; + +#endif /* TRIANGLEBRUSH_H_ */ |
