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)
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
#pragma once
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// ============================================================================
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// camera.h - 摄像机
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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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typedef enum {
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CAMERA_PERSPECTIVE,
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CAMERA_ORTHOGRAPHIC,
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} CameraType;
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typedef struct {
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CameraType type;
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Vec3 position;
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Vec3 target;
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Vec3 up;
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float fov_y;
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float aspect;
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float near_z;
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float far_z;
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float ortho_width;
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float ortho_height;
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Mat4 view;
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Mat4 projection;
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int dirty;
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} Camera;
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// 创建默认透视摄像机
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Camera camera_perspective(float fov_y, float aspect, float near_z, float far_z);
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// 创建正交摄像机
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Camera camera_orthographic(float width, float height, float near_z, float far_z);
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// 更新矩阵
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void camera_update(Camera* camera);
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// 获取矩阵
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const Mat4* camera_get_view(Camera* camera);
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const Mat4* camera_get_projection(Camera* camera);
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// 移动
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void camera_move_forward(Camera* camera, float distance);
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void camera_move_right(Camera* camera, float distance);
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void camera_move_up(Camera* camera, float distance);
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// 旋转
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void camera_rotate_yaw(Camera* camera, float angle);
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void camera_rotate_pitch(Camera* camera, float angle);
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// 设置目标
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void camera_look_at(Camera* camera, Vec3 target);
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