08rmodels — 3D 模型与网格
🗿 raylib rmodels — 3D 模型与网格示例(C 语言)
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59#include "raylib.h"
int main(void)
{
InitWindow(800, 450, "raylib rmodels example");
SetTargetFPS(60);
// --- 摄像机设置 ---
Camera3D camera = { 0 };
camera.position = (Vector3){ 4.0f, 4.0f, 4.0f }; // 摄像机位置
camera.target = (Vector3){ 0.0f, 1.0f, 0.0f }; // 看向模型中心
camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // 上方向
camera.fovy = 45.0f;
camera.projection = CAMERA_PERSPECTIVE;
// --- 加载模型(OBJ) ---
Model model = LoadModel("resources/cube.obj");
// --- 加载纹理并贴图 ---
Texture2D texture = LoadTexture("resources/cube_diffuse.png");
model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;
// 模型位置
Vector3 position = { 0.0f, 0.0f, 0.0f };
float rotation = 0.0f;
while (!WindowShouldClose())
{
rotation += 60.0f * GetFrameTime(); // 每秒旋转 60 度
BeginDrawing();
ClearBackground(RAYWHITE);
BeginMode3D(camera);
// 绘制模型(带旋转)
DrawModelEx(model, position,
(Vector3){0, 1, 0}, // 绕 Y 轴旋转
rotation,
(Vector3){1, 1, 1}, // 缩放
WHITE);
DrawGrid(20, 1.0f); // 地面网格
EndMode3D();
DrawText("3D model loaded with texture", 10, 10, 20, DARKGRAY);
EndDrawing();
}
// 卸载资源
UnloadTexture(texture);
UnloadModel(model);
CloseWindow();
return 0;
}📌 示例中使用的 rmodels API
功能 API 加载模型 LoadModel()卸载模型 UnloadModel()加载纹理 LoadTexture()贴图到模型 model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture绘制模型 DrawModel()/DrawModelEx()绘制网格 DrawGrid()这些 API 就能加载 OBJ、GLTF、IQM 等 3D 模型。
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