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Diffstat (limited to 'themes/src/Windfield.hpp')
-rw-r--r-- | themes/src/Windfield.hpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/themes/src/Windfield.hpp b/themes/src/Windfield.hpp new file mode 100644 index 0000000..5935c5d --- /dev/null +++ b/themes/src/Windfield.hpp @@ -0,0 +1,38 @@ +#ifndef WIND_FIELD_HPP +#define WIND_FIELD_HPP +#include "types.h" +#include "mathlib.h" + +/** + A Windfield represents a field of vectors in a rectangular region. + The Width and Height are given in units of CellDimenions. The CellDimension + is given in pixels. + */ +struct WindField { + f32 ttl = 0.f; + Vector2 origin; + Vector2 end; + + /* + Granularity of each cell in pixels. + */ + const f32 cellDimension = CellDimension; + + /* + Width of the vector field in CellDimensions. + */ + const f32 width = Width; + + /* + Height of the vector vield in CellDimensions. + */ + const f32 height = Height; + + Vector2** field; + + void load(f32 cellSizePixels, i32 fieldWithCells, i32 fieldHeightCells, f32 ttl, Vector2 origin); + bool addVector(i32 x, i32 y, Vector2& v); + Vector2 getWindFactor(Vector2& v); +}; + +#endif |