117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
#ifndef SEODISPARATE_COM_SEPARATING_AXIS_COLLISION_DETECTION_H_
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#define SEODISPARATE_COM_SEPARATING_AXIS_COLLISION_DETECTION_H_
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#define SC_SACD_PLATFORM_WINDOWS 1
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#define SC_SACD_PLATFORM_OTHER 2
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#if defined _WIN32
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#define SC_SACD_PLATFORM SC_SACD_PLATFORM_WINDOWS
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#else
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#define SC_SACD_PLATFORM SC_SACD_PLATFORM_OTHER
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#endif
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#if SC_SACD_PLATFORM == SC_SACD_PLATFORM_WINDOWS
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#define SC_SACD_EXPORT __declspec(dllexport)
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#else
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#define SC_SACD_EXPORT
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct SC_SACD_EXPORT SC_SACD_Vec3 {
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float x, y, z;
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} SC_SACD_Vec3;
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typedef struct SC_SACD_EXPORT SC_SACD_Mat3 {
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float x0, y0, z0;
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float x1, y1, z1;
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float x2, y2, z2;
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} SC_SACD_Mat3;
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typedef struct SC_SACD_EXPORT SC_SACD_AABB_Box {
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/// Coordinates are to center of box.
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float x;
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float y;
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float z;
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/// x-axis width.
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float width;
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/// y-axis height.
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float height;
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/// z-axis depth.
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float depth;
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} SC_SACD_AABB_Box;
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typedef struct SC_SACD_EXPORT SC_SACD_Generic_Box {
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/// Coordinates are to center of box.
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float x;
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float y;
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float z;
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/// x-axis width.
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float width;
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/// y-axis height.
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float height;
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/// z-axis depth.
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float depth;
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/// Rotation about center of box about axis.
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float x_radians;
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float y_radians;
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float z_radians;
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} SC_SACD_Generic_Box;
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typedef struct SC_SACD_EXPORT SC_SACD_Sphere {
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float x;
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float y;
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float z;
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float radius;
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} SC_SACD_Sphere;
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/// Returns non-zero if there is collision.
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SC_SACD_EXPORT int SC_SACD_AABB_Box_Collision(const SC_SACD_AABB_Box *a,
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const SC_SACD_AABB_Box *b);
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/// Returns non-zero if there is collision.
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SC_SACD_EXPORT int SC_SACD_Generic_Box_Collision(const SC_SACD_Generic_Box *a,
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const SC_SACD_Generic_Box *b);
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/// Returns non-zero if there is collision.
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SC_SACD_EXPORT int SC_SACD_AABB_Generic_Box_Collision(
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const SC_SACD_AABB_Box *a, const SC_SACD_Generic_Box *b);
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SC_SACD_EXPORT int SC_SACD_Sphere_Collision(const SC_SACD_Sphere *a,
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const SC_SACD_Sphere *b);
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SC_SACD_EXPORT int SC_SACD_Sphere_AABB_Box_Collision(
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const SC_SACD_Sphere *sphere, const SC_SACD_AABB_Box *box);
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SC_SACD_EXPORT int SC_SACD_Sphere_Box_Collision(const SC_SACD_Sphere *sphere,
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const SC_SACD_Generic_Box *box);
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SC_SACD_EXPORT float SC_SACD_Dot_Product(const SC_SACD_Vec3 a,
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const SC_SACD_Vec3 b);
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SC_SACD_EXPORT SC_SACD_Vec3 SC_SACD_Cross_Product(const SC_SACD_Vec3 a,
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const SC_SACD_Vec3 b);
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SC_SACD_EXPORT SC_SACD_Vec3 SC_SACD_Mat3_Vec3_Mult(const SC_SACD_Mat3 *mat,
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const SC_SACD_Vec3 vec);
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SC_SACD_EXPORT SC_SACD_Vec3 SC_SACD_Vec3_Rotate(const SC_SACD_Vec3 vec,
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float x_axis, float y_axis,
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float z_axis);
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SC_SACD_EXPORT SC_SACD_Vec3 SC_SACD_Closest_Point_Dir_Normalized(
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const SC_SACD_Vec3 *pos, const SC_SACD_Vec3 *dir,
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const SC_SACD_Vec3 *point);
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SC_SACD_EXPORT SC_SACD_Vec3 SC_SACD_Closest_Point(const SC_SACD_Vec3 *pos,
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const SC_SACD_Vec3 *dir,
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const SC_SACD_Vec3 *point);
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#ifdef __cplusplus
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}
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#endif
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#endif
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