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