math.h

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// TRAMWAY DRIFT AND DUNGEON EXPLORATION SIMULATOR 2022
// All rights reserved.
 
#ifndef TRAM_SDK_FRAMEWORK_MATH_H
#define TRAM_SDK_FRAMEWORK_MATH_H
 
#include <glm/glm.hpp>
#include <glm/gtx/quaternion.hpp>
 
namespace tram {
 
typedef glm::vec3 vec3;
typedef glm::quat quat;
typedef glm::mat2 mat2;
typedef glm::mat4 mat4;
typedef glm::vec4 vec4;
typedef glm::vec2 vec2;
typedef glm::ivec3 ivec3;
typedef glm::ivec4 ivec4;
typedef glm::uvec3 uvec3;
typedef glm::uvec4 uvec4;
 
const vec3 DIRECTION_FORWARD    (0.0f,  0.0f, -1.0f);
const vec3 DIRECTION_SIDE       (1.0f,  0.0f,  0.0f);
const vec3 DIRECTION_UP         (0.0f,  1.0f,  0.0f);
 
const vec3 IDENTITY_POSITION    (0.0f, 0.0f, 0.0f);
const quat IDENTITY_ROTATION    (1.0f, 0.0f, 0.0f, 0.0f);
const vec3 IDENTITY_SCALE       (1.0f, 1.0f, 1.0f);
 
void QuatLookAt(quat& quaternion, const vec3& from, const vec3& to);
void ProjectLine(vec3& point, const vec3& from, const vec3& to);
 
vec3 RayTriangleIntersection(vec3 ray_pos, vec3 ray_dir, vec3 point1, vec3 point2, vec3 point3);
 
void RotateAABB(vec3& min, vec3& max, quat rotation);
 
mat4 PositionRotationToMatrix(const vec3& position, const quat& rotation);
mat4 PositionRotationScaleToMatrix(const vec3& position, const quat& rotation, const vec3& scale);
 
}
 
#endif // TRAM_SDK_FRAMEWORK_MATH_H