148 lines
4.6 KiB
C++
148 lines
4.6 KiB
C++
#include "sdlpp_rectcolider.hpp"
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namespace SDLPP {
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double RectColider::width() const {
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return _size.getX();
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}
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double RectColider::height() const {
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return _size.getY();
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}
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int RectColider::pixel_width() const {
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return _size_pixel.getX();
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}
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int RectColider::pixel_height() const {
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return _size_pixel.getY();
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}
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void RectColider::setMinWidth( int width ) {
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min_size = {width, min_size.getY()};
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}
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void RectColider::setMinHeight( int height ) {
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min_size = {min_size.getX(), height};
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}
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RectColider::RectColider( double x, double y, double w, double h )
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: RectColider( { x, y }, { w, h } ) {}
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RectColider::RectColider( const Vec2D< double > &top_left,
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const Vec2D< double > &size )
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: CollisionPolygon( top_left ), _size( size ) {}
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RectColider::RectColider( double x, double y, double w, double h, uint64_t id )
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: RectColider( { x, y }, { w, h }, id ) {}
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RectColider::RectColider( const Vec2D< double > &top_left,
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const Vec2D< double > &size, uint64_t id )
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: RectColider( top_left, size ) {
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_id = id;
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}
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bool RectColider::colidesWith( const SDLPP::CollisionPolygon &other ) const {
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if ( other.isCircle() ) {
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return other.colidesWith( *this );
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}
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if ( other.isInfinite() ) {
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return infinityIntersection( other, *this );
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}
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if ( isInfinite() )
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return infinityIntersection( *this, other );
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return intersects( *this, other );
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}
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bool RectColider::isCircle() const {
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return false;
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}
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int RectColider::topmost() const {
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return ( !isInfinite() || original.getY() != -1 ) * getY() +
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isInfinite() * -1;
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}
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int RectColider::bottommost() const {
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return ( !isInfinite() || height() != -1 ) * ( getY() + pixel_height() ) +
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isInfinite() * -1;
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}
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int RectColider::leftmost() const {
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return ( !isInfinite() || original.getX() != -1 ) * getX() +
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isInfinite() * -1;
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}
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int RectColider::rightmost() const {
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return ( !isInfinite() || width() != -1 ) * ( getX() + pixel_width() ) +
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isInfinite() * -1;
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}
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void RectColider::updateCollision( int x, int y, int w, int h, uint64_t id ) {
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position = Vec2D< int >( original.getX() * w + x, original.getY() * h + y );
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_size_pixel = Vec2D< int >( width() * w, height() * h );
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if ( _id == static_cast< uint64_t >( -1 ) )
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_id = id;
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if(_size_pixel.getX() < min_size.getX()) {
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_size_pixel = {min_size.getX(), _size_pixel.getY()};
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}
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if(_size_pixel.getY() < min_size.getY()) {
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_size_pixel = {_size_pixel.getX(), min_size.getY()};
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}
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}
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void RectColider::render( Renderer &renderer, const SDL_Color &color,
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const SDL_Color &outline_color ) {
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auto rect = getRect();
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SDL_SetRenderDrawColor( renderer.getRendererPtr(), color.r, color.g,
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color.b, color.a );
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SDL_RenderFillRect( renderer.getRendererPtr(), &rect );
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SDL_SetRenderDrawColor( renderer.getRendererPtr(), outline_color.r,
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outline_color.g, outline_color.b, outline_color.a );
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SDL_RenderDrawRect( renderer.getRendererPtr(), &rect );
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}
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void RectColider::render( Renderer &renderer, const SDL_Color &color ) {
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auto input_color = color;
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auto outline_color = color;
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input_color.a = 0x40;
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outline_color.a = 0x80;
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render( renderer, input_color, outline_color );
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}
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void RectColider::render( Renderer &renderer ) {
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render( renderer, sdl_color, sdl_outline );
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}
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SDL_Rect RectColider::getRect() {
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if ( !isInfinite() )
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return { leftmost(), topmost(), pixel_width(), pixel_height() };
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SDL_Rect r = { 0, 0, 0, 0 };
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if ( ( r.x = leftmost() ) == -1 )
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r.x = 0;
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if ( ( r.y = topmost() ) == -1 )
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r.y = 0;
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if ( rightmost() == -1 )
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r.w = std::numeric_limits< int >::max();
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else
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r.w = pixel_width();
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if ( bottommost() == -1 )
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r.h = std::numeric_limits< int >::max();
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else
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r.h = pixel_height();
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return r;
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}
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std::shared_ptr< CollisionPolygon > RectColider::copySelf() {
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return std::make_shared< RectColider >( *this );
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}
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std::vector< Line< int > > RectColider::getLines() const {
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std::vector< Line< int > > ret{};
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ret.emplace_back( position, position + Vec2D< int >( pixel_width(), 0 ) );
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ret.emplace_back( position + Vec2D< int >( pixel_width(), 0 ),
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position + _size_pixel );
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ret.emplace_back( position, position + Vec2D< int >( 0, pixel_height() ) );
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ret.emplace_back( position + Vec2D< int >( 0, pixel_height() ),
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position + _size_pixel );
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return ret;
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}
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} // namespace SDLPP
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