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/*******************************************************************************************
*
* raylib [models] example - Skybox loading and drawing
*
* This example has been created using raylib 1.8 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2017 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#include "raymath.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [models] example - skybox loading and drawing");
// Define the camera to look into our 3d world
Camera camera = {{ 1.0f, 1.0f, 1.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
// Load skybox model and shader
Mesh cube = GenMeshCube(1.0f, 1.0f, 1.0f);
Model skybox = LoadModelFromMesh(cube, false);
skybox.material.shader = LoadShader("resources/shaders/skybox.vs", "resources/shaders/skybox.fs");
Texture2D texHDR = LoadTexture("resources/pinetree.hdr");
skybox.material.maps[MAP_CUBEMAP].texture = GenTextureCubemap(texHDR, 512);
SetShaderValuei(skybox.material.shader, GetShaderLocation(skybox.material.shader, "environmentMap"), (int[1]){ MAP_CUBEMAP }, 1);
// Get skybox shader locations
skybox.material.shader.locs[LOC_MATRIX_PROJECTION] = GetShaderLocation(skybox.material.shader, "projection");
skybox.material.shader.locs[LOC_MATRIX_VIEW] = GetShaderLocation(skybox.material.shader, "view");
// Then before rendering, configure the viewport to the actual screen dimensions
Matrix proj = MatrixPerspective(60.0, (double)GetScreenWidth()/(double)GetScreenHeight(), 0.01, 1000.0);
MatrixTranspose(&proj);
SetShaderValueMatrix(skybox.material.shader, skybox.material.shader.locs[LOC_MATRIX_PROJECTION], proj);
SetCameraMode(camera, CAMERA_ORBITAL); // Set an orbital 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 camera
Matrix view = MatrixLookAt(camera.position, camera.target, camera.up);
SetShaderValueMatrix(skybox.material.shader, skybox.material.shader.locs[LOC_MATRIX_VIEW], view);
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
Begin3dMode(camera);
DrawModel(skybox, VectorZero(), 1.0f, WHITE);
DrawGrid(10, 1.0f);
End3dMode();
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadModel(skybox); // Unload skybox model
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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