45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#pragma once
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#include <array>
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#include <cmath>
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#include "structs.h"
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#include "utils.h"
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class WorldTile;
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namespace Collision
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{
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struct CollisionRect
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{
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Point2f pos;
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Point2f size;
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Point2f vel;
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std::array<Collision::CollisionRect*, 4> contact;
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};
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struct TileCollisionRect : public CollisionRect
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{
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TileCollisionRect(const Point2f& pos, const Point2f& size, WorldTile* tile)
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: CollisionRect{ pos, size, Point2f{ 0, 0 }, { nullptr, nullptr, nullptr, nullptr } }
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, tile{ tile }
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{}
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WorldTile* tile;
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bool Contains(Point2f point2_f) {
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return utils::IsPointInRect(point2_f, Rectf{ pos.x, pos.y, size.x, size.y });
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}
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};
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bool PointVsRect(const Point2f p, const CollisionRect& r);
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bool RectVsRect(const CollisionRect& r1, const CollisionRect r2);
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bool RayVsRect(const Point2f& rayOrigin, const Point2f& rayDirection, const Collision::CollisionRect target, Point2f& contactPoint, Point2f& contactNormal, float& t_HitNear);
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bool DynamicRectVsRect(const CollisionRect& dynamicRectangle, float ElapsedTime, const CollisionRect& staticRectangle, Point2f& contactPoint, Point2f& contactNormal, float& contactTime);
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bool ResolveDynamicRectVsRect(CollisionRect& dynamicRectangle, float ElapsedTime, CollisionRect* staticRectangle);
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}
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