shuiyu1123
2d56cb3bc9
核心热路径(数学/内存/字符串/性能分析)用MASM汇编(SSE/AVX2) 外围系统(窗口/渲染/ECS/音频/UI/脚本)用C语言 含自研编辑器、VisualScript积木编程、中文渲染(glyph_atlas)
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
#pragma once
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// ============================================================================
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// physics.h - 物理引擎 (碰撞检测, 调用ASM数学)
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// ============================================================================
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#include "../include/engine_api.h"
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#include "../ASM/math_c_fallback.h"
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#include <stdint.h>
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#define MAX_COLLIDERS 1024
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typedef enum {
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COLLIDER_AABB,
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COLLIDER_SPHERE,
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COLLIDER_PLANE,
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} ColliderType;
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typedef struct {
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uint32_t entity_id;
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ColliderType type;
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union {
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struct { Vec3 min; Vec3 max; } aabb;
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struct { Vec3 center; float radius; } sphere;
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struct { Vec3 normal; float distance; } plane;
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};
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int is_trigger;
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int is_static;
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} Collider;
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typedef struct {
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Vec3 velocity;
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Vec3 acceleration;
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float mass;
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float restitution;
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float friction;
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int is_kinematic;
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} RigidBody;
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typedef struct {
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Collider colliders[MAX_COLLIDERS];
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uint32_t collider_count;
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int gravity_enabled;
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Vec3 gravity;
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} PhysicsWorld;
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// 碰撞回调
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typedef void (*CollisionCallback)(uint32_t entity_a, uint32_t entity_b, Vec3 normal, float depth);
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// 创建/销毁
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PhysicsWorld* physics_create(void);
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void physics_destroy(PhysicsWorld* world);
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// 碰撞体
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uint32_t physics_add_aabb(PhysicsWorld* world, uint32_t entity, Vec3 min, Vec3 max);
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uint32_t physics_add_sphere(PhysicsWorld* world, uint32_t entity, Vec3 center, float radius);
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uint32_t physics_add_plane(PhysicsWorld* world, uint32_t entity, Vec3 normal, float distance);
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void physics_remove_collider(PhysicsWorld* world, uint32_t index);
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void physics_update_collider(PhysicsWorld* world, uint32_t index, Vec3 position);
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// 碰撞检测
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int physics_check_collision(const Collider* a, const Collider* b, Vec3* normal, float* depth);
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int physics_raycast(PhysicsWorld* world, Vec3 origin, Vec3 direction, float max_dist,
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uint32_t* hit_entity, Vec3* hit_point, Vec3* hit_normal);
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// 模拟
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void physics_step(PhysicsWorld* world, float dt);
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void physics_set_gravity(PhysicsWorld* world, Vec3 gravity);
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