browser/external/raylib-4.5.0/examples/models/models_cubicmap.c
2023-09-27 15:02:24 -04:00

96 lines
4.1 KiB
C

/*******************************************************************************************
*
* raylib [models] example - Cubicmap loading and drawing
*
* Example originally created with raylib 1.8, last time updated with raylib 3.5
*
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [models] example - cubesmap loading and drawing");
// Define the camera to look into our 3d world
Camera camera = { 0 };
camera.position = (Vector3){ 16.0f, 14.0f, 16.0f }; // 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
camera.projection = CAMERA_PERSPECTIVE; // Camera projection type
Image image = LoadImage("resources/cubicmap.png"); // Load cubicmap image (RAM)
Texture2D cubicmap = LoadTextureFromImage(image); // Convert image to texture to display (VRAM)
Mesh mesh = GenMeshCubicmap(image, (Vector3){ 1.0f, 1.0f, 1.0f });
Model model = LoadModelFromMesh(mesh);
// NOTE: By default each cube is mapped to one part of texture atlas
Texture2D texture = LoadTexture("resources/cubicmap_atlas.png"); // Load map texture
model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture; // Set map diffuse texture
Vector3 mapPosition = { -16.0f, 0.0f, -8.0f }; // Set model position
UnloadImage(image); // Unload cubesmap image from RAM, already uploaded to VRAM
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, CAMERA_ORBITAL);
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
BeginMode3D(camera);
DrawModel(model, mapPosition, 1.0f, WHITE);
EndMode3D();
DrawTextureEx(cubicmap, (Vector2){ screenWidth - cubicmap.width*4.0f - 20, 20.0f }, 0.0f, 4.0f, WHITE);
DrawRectangleLines(screenWidth - cubicmap.width*4 - 20, 20, cubicmap.width*4, cubicmap.height*4, GREEN);
DrawText("cubicmap image used to", 658, 90, 10, GRAY);
DrawText("generate map 3d model", 658, 104, 10, GRAY);
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(cubicmap); // Unload cubicmap texture
UnloadTexture(texture); // Unload map texture
UnloadModel(model); // Unload map model
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}