82 lines
3.3 KiB
C
82 lines
3.3 KiB
C
/*******************************************************************************************
|
|
*
|
|
* raylib [core] example - Initialize 3d camera free
|
|
*
|
|
* This example has been created using raylib 1.3 (www.raylib.com)
|
|
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
|
|
*
|
|
* Copyright (c) 2015 Ramon Santamaria (@raysan5)
|
|
*
|
|
********************************************************************************************/
|
|
|
|
#include "raylib.h"
|
|
|
|
int main()
|
|
{
|
|
// Initialization
|
|
//--------------------------------------------------------------------------------------
|
|
int screenWidth = 800;
|
|
int screenHeight = 450;
|
|
|
|
InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera free");
|
|
|
|
// Define the camera to look into our 3d world
|
|
Camera camera;
|
|
camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
|
|
camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
|
|
camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
|
|
camera.fovy = 45.0f; // Camera field-of-view Y
|
|
|
|
Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };
|
|
|
|
SetCameraMode(camera, CAMERA_FREE); // Set a free camera mode
|
|
|
|
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
// Main game loop
|
|
while (!WindowShouldClose()) // Detect window close button or ESC key
|
|
{
|
|
// Update
|
|
//----------------------------------------------------------------------------------
|
|
UpdateCamera(&camera); // Update internal camera and our camera
|
|
|
|
if (IsKeyDown('Z')) camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
|
|
//----------------------------------------------------------------------------------
|
|
|
|
// Draw
|
|
//----------------------------------------------------------------------------------
|
|
BeginDrawing();
|
|
|
|
ClearBackground(RAYWHITE);
|
|
|
|
Begin3dMode(camera);
|
|
|
|
DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED);
|
|
DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, MAROON);
|
|
|
|
DrawGrid(10, 1.0f);
|
|
|
|
End3dMode();
|
|
|
|
DrawRectangle( 10, 10, 320, 133, Fade(SKYBLUE, 0.5f));
|
|
DrawRectangleLines( 10, 10, 320, 133, BLUE);
|
|
|
|
DrawText("Free camera default controls:", 20, 20, 10, BLACK);
|
|
DrawText("- Mouse Wheel to Zoom in-out", 40, 40, 10, DARKGRAY);
|
|
DrawText("- Mouse Wheel Pressed to Pan", 40, 60, 10, DARKGRAY);
|
|
DrawText("- Alt + Mouse Wheel Pressed to Rotate", 40, 80, 10, DARKGRAY);
|
|
DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom", 40, 100, 10, DARKGRAY);
|
|
DrawText("- Z to zoom to (0, 0, 0)", 40, 120, 10, DARKGRAY);
|
|
|
|
EndDrawing();
|
|
//----------------------------------------------------------------------------------
|
|
}
|
|
|
|
// De-Initialization
|
|
//--------------------------------------------------------------------------------------
|
|
CloseWindow(); // Close window and OpenGL context
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
return 0;
|
|
} |