98 lines
2.3 KiB
C++
98 lines
2.3 KiB
C++
#pragma once
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class TBall;
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struct vector2
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{
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float X;
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float Y;
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};
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struct vector3 :vector2
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{
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float Z;
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};
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struct rectangle_type
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{
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int XPosition;
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int YPosition;
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int Width;
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int Height;
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};
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struct circle_type
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{
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vector2 Center;
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float RadiusSq;
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};
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struct ray_type
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{
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vector2 Origin;
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vector2 Direction;
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float MaxDistance;
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float MinDistance;
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float TimeNow;
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float TimeDelta;
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int FieldFlag;
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};
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struct line_type
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{
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vector2 PerpendicularL;
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vector2 Direction;
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float PreComp1;
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float OriginX;
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float OriginY;
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vector2 RayIntersect;
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};
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struct wall_point_type
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{
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float X0;
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float Y0;
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float X1;
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float Y1;
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};
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struct ramp_plane_type
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{
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vector3 BallCollisionOffset;
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vector2 V1;
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vector2 V2;
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vector2 V3;
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float GravityAngle1;
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float GravityAngle2;
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vector2 FieldForce;
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};
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class maths
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{
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public:
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static void enclosing_box(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect);
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static int rectangle_clip(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect);
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static int overlapping_box(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect);
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static float ray_intersect_circle(ray_type* ray, circle_type* circle);
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static float normalize_2d(vector2* vec);
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static void line_init(line_type* line, float x0, float y0, float x1, float y1);
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static float ray_intersect_line(ray_type* ray, line_type* line);
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static void cross(vector3* vec1, vector3* vec2, vector3* dstVec);
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static float magnitude(vector3* vec);
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static void vector_add(vector2* vec1Dst, vector2* vec2);
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static float basic_collision(TBall* ball, vector2* nextPosition, vector2* direction, float elasticity,
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float smoothness,
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float threshold, float boost);
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static float Distance_Squared(vector2& vec1, vector2& vec2);
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static float DotProduct(vector2* vec1, vector2* vec2);
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static void vswap(vector2* vec1, vector2* vec2);
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static float Distance(vector2* vec1, vector2* vec2);
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static void SinCos(float angle, float* sinOut, float* cosOut);
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static void RotatePt(vector2* point, float sin, float cos, vector2* origin);
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static float distance_to_flipper(ray_type* ray1, ray_type* ray2);
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static void RotateVector(vector2* vec, float angle);
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static void find_closest_edge(ramp_plane_type* plane, int planeCount, wall_point_type* wall, vector2** lineEnd,
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vector2** lineStart);
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};
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