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New collision detection

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This commit is contained in:
zv0n
2021-03-13 15:05:16 +01:00
parent 258ce51cfe
commit d2cf54556e
12 changed files with 186 additions and 125 deletions
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sdlpp/sdlpp_rectcolider.cpp
+24 -26
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@@ -62,29 +62,27 @@ void RectColider::updateCollision( int x, int y, int w, int h ) {
_size_pixel = Vec2D< int >( width() * w, height() * h );
}
void RectColider::render( Renderer &renderer,
const std::tuple< int, int, int, int > &color ) {
void RectColider::render( Renderer &renderer, const SDL_Color &color,
const SDL_Color &outline_color ) {
auto rect = getRect();
// outline with desired color at 50% opacity
SDL_SetRenderDrawColor( renderer.getRendererPtr(), std::get< 0 >( color ),
std::get< 1 >( color ), std::get< 2 >( color ),
0x80 );
SDL_RenderDrawRect( renderer.getRendererPtr(), &rect );
// fill with desired color at 25% opacity
SDL_SetRenderDrawColor( renderer.getRendererPtr(), std::get< 0 >( color ),
std::get< 1 >( color ), std::get< 2 >( color ),
0x40 );
SDL_SetRenderDrawColor( renderer.getRendererPtr(), color.r, color.g,
color.b, color.a );
SDL_RenderFillRect( renderer.getRendererPtr(), &rect );
SDL_SetRenderDrawColor( renderer.getRendererPtr(), outline_color.r,
outline_color.g, outline_color.b, outline_color.a );
SDL_RenderDrawRect( renderer.getRendererPtr(), &rect );
}
void RectColider::render( Renderer &renderer, const SDL_Color &color ) {
auto input_color = color;
auto outline_color = color;
input_color.a = 0x40;
outline_color.a = 0x80;
render( renderer, input_color, outline_color );
}
void RectColider::render( Renderer &renderer ) {
auto rect = getRect();
SDL_SetRenderDrawColor( renderer.getRendererPtr(), sdl_color.r, sdl_color.g,
sdl_color.b, sdl_color.a );
SDL_RenderFillRect( renderer.getRendererPtr(), &rect );
SDL_SetRenderDrawColor( renderer.getRendererPtr(), sdl_outline.r,
sdl_outline.g, sdl_outline.b, sdl_outline.a );
SDL_RenderDrawRect( renderer.getRendererPtr(), &rect );
render( renderer, sdl_color, sdl_outline );
}
SDL_Rect RectColider::getRect() {
@@ -111,14 +109,14 @@ std::shared_ptr< CollisionPolygon > RectColider::copySelf() {
return std::make_shared< RectColider >( *this );
}
std::vector< Line< double > > RectColider::getLines() {
std::vector< Line< double > > ret{};
ret.emplace_back( original, original + Vec2D< double >( width(), 0 ) );
ret.emplace_back( original + Vec2D< double >( width(), 0 ),
original + _size );
ret.emplace_back( original, original + Vec2D< double >( 0, height() ) );
ret.emplace_back( original + Vec2D< double >( 0, height() ),
original + _size );
std::vector< Line< int > > RectColider::getLines() const {
std::vector< Line< int > > ret{};
ret.emplace_back( position, position + Vec2D< int >( pixel_width(), 0 ) );
ret.emplace_back( position + Vec2D< int >( pixel_width(), 0 ),
position + _size_pixel );
ret.emplace_back( position, position + Vec2D< int >( 0, pixel_height() ) );
ret.emplace_back( position + Vec2D< int >( 0, pixel_height() ),
position + _size_pixel );
return ret;
}