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chris1234

Pixel-perfect collision detection with DX8

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hi, I''m trying to implement pixel-perfect collision detection into my directX8 2D game, but I don''t really have an idea of how to do it...can anyone tell me how to do this? or point me to some source-code/tutorial of how to do this? Chris

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What i suggest you is to have an array containing the data for the collision. Example:
  
//Let''s say we have a bitmap 8x8

bool coll[8][8] = {0,0,1,1,1,0,0,0},
{0,0,1,1,1,0,0,0},
{1,0,0,1,0,0,0,1},
{0,1,1,1,1,1,1,0},
{0,0,0,1,0,0,0,0},
{0,0,0,1,0,0,0,0},
{0,0,1,0,1,0,0,0},
{0,1,0,0,0,1,0,0},


Each 0 represent a transparent pixel and a 1 represent a colored one. That way it will be more quick.

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