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/*******************************************************************************************
*
* raylib [models] example - Load models vox (MagicaVoxel)
*
* Example originally created with raylib 4.0, last time updated with raylib 4.0
*
* Example contributed by Johann Nadalutti (@procfxgen) and reviewed by Ramon Santamaria (@raysan5)
*
* 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) 2021-2023 Johann Nadalutti (@procfxgen) and Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#include "raymath.h" // Required for: MatrixTranslate()
#define MAX_VOX_FILES 3
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
const char *voxFileNames[] = {
"resources/models/vox/chr_knight.vox",
"resources/models/vox/chr_sword.vox",
"resources/models/vox/monu9.vox"
};
InitWindow(screenWidth, screenHeight, "raylib [models] example - magicavoxel loading");
// Define the camera to look into our 3d world
Camera camera = { 0 };
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
camera.projection = CAMERA_PERSPECTIVE; // Camera projection type
// Load MagicaVoxel files
Model models[MAX_VOX_FILES] = { 0 };
for (int i = 0; i < MAX_VOX_FILES; i++)
{
// Load VOX file and measure time
double t0 = GetTime()*1000.0;
models[i] = LoadModel(voxFileNames[i]);
double t1 = GetTime()*1000.0;
TraceLog(LOG_WARNING, TextFormat("[%s] File loaded in %.3f ms", voxFileNames[i], t1 - t0));
// Compute model translation matrix to center model on draw position (0, 0 , 0)
BoundingBox bb = GetModelBoundingBox(models[i]);
Vector3 center = { 0 };
center.x = bb.min.x + (((bb.max.x - bb.min.x)/2));
center.z = bb.min.z + (((bb.max.z - bb.min.z)/2));
Matrix matTranslate = MatrixTranslate(-center.x, 0, -center.z);
models[i].transform = matTranslate;
}
int currentModel = 0;
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);
// Cycle between models on mouse click
if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) currentModel = (currentModel + 1)%MAX_VOX_FILES;
// Cycle between models on key pressed
if (IsKeyPressed(KEY_RIGHT))
{
currentModel++;
if (currentModel >= MAX_VOX_FILES) currentModel = 0;
}
else if (IsKeyPressed(KEY_LEFT))
{
currentModel--;
if (currentModel < 0) currentModel = MAX_VOX_FILES - 1;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
// Draw 3D model
BeginMode3D(camera);
DrawModel(models[currentModel], (Vector3){ 0, 0, 0 }, 1.0f, WHITE);
DrawGrid(10, 1.0);
EndMode3D();
// Display info
DrawRectangle(10, 400, 310, 30, Fade(SKYBLUE, 0.5f));
DrawRectangleLines(10, 400, 310, 30, Fade(DARKBLUE, 0.5f));
DrawText("MOUSE LEFT BUTTON to CYCLE VOX MODELS", 40, 410, 10, BLUE);
DrawText(TextFormat("File: %s", GetFileName(voxFileNames[currentModel])), 10, 10, 20, GRAY);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
// Unload models data (GPU VRAM)
for (int i = 0; i < MAX_VOX_FILES; i++) UnloadModel(models[i]);
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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