61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
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#include <raylib.h>
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#include <math.h>
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int main(void) {
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// 初始化
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const int screenWidth = 640;
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const int screenHeight = 480;
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//启用反锯齿
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SetConfigFlags(FLAG_MSAA_4X_HINT);
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//初始化窗口
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InitWindow(screenWidth, screenHeight, "Sample");
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// 初始化摄像机
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Camera3D camera = { 0 };
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camera.position = (Vector3) {
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40.0f, 20.0f, 0.0f
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}; //相机所在位置{x,y,z}
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camera.target = (Vector3) {
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0.0f, 0.0f, 0.0f
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}; //相机朝向位置{x,y,z}
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camera.up = (Vector3) {
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0.0f, 1.0f, 0.0f
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}; //相机正上方朝向矢量
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camera.fovy = 70.0f; //相机视野宽度
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camera.projection = CAMERA_PERSPECTIVE; //采用透视投影
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//设置动画帧率（刷新率，fps）为30帧/秒
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SetTargetFPS(30);
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//--------------------------------------------------------------------------------------
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int angle = 0; //多边形旋转角度
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// 主游戏循环
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while (!WindowShouldClose()) { //关闭窗口或者按ESC键时返回true
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double time = GetTime();
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// 每次循环更新一帧
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// 摄像机围绕y轴转动
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double cameraTime = time * 0.3;
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camera.position.x = (float)cos(cameraTime) * 40.0f;
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camera.position.z = (float)sin(cameraTime) * 40.0f;
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BeginDrawing();
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ClearBackground(WHITE);
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//以摄像机视角绘制3d内容
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BeginMode3D(camera);
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DrawCube(Vector3{0, 0, 0}, 10, 10, 10, VIOLET);
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DrawCubeWires(Vector3{0, 0, 0}, 10, 10, 10, BLACK);
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EndMode3D();
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EndDrawing();
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}
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//关闭窗口
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CloseWindow();
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return 0;
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}
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