131 lines
4.8 KiB
C
131 lines
4.8 KiB
C
/*******************************************************************************************
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*
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* raylib [models] example - Load models vox (MagicaVoxel)
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*
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* This example has been created using raylib 4.0 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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*
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* Example contributed by Johann Nadalutti (@procfxgen) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Copyright (c) 2021 Johann Nadalutti (@procfxgen) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include "raylib.h"
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#include "raymath.h" // Required for: MatrixTranslate()
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#define MAX_VOX_FILES 3
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int main(void)
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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const char *voxFileNames[] = {
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"resources/models/vox/chr_knight.vox",
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"resources/models/vox/chr_sword.vox",
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"resources/models/vox/monu9.vox"
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};
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InitWindow(screenWidth, screenHeight, "raylib [models] example - magicavoxel loading");
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// Define the camera to look into our 3d world
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Camera camera = { 0 };
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camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
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camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
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camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
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camera.fovy = 45.0f; // Camera field-of-view Y
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camera.projection = CAMERA_PERSPECTIVE; // Camera mode type
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// Load MagicaVoxel files
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Model models[MAX_VOX_FILES] = { 0 };
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for (int i = 0; i < MAX_VOX_FILES; i++)
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{
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// Load VOX file and measure time
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double t0 = GetTime()*1000.0;
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models[i] = LoadModel(voxFileNames[i]);
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double t1 = GetTime()*1000.0;
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TraceLog(LOG_WARNING, TextFormat("[%s] File loaded in %.3f ms", voxFileNames[i], t1 - t0));
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// Compute model translation matrix to center model on draw position (0, 0 , 0)
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BoundingBox bb = GetModelBoundingBox(models[i]);
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Vector3 center = { 0 };
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center.x = bb.min.x + (((bb.max.x - bb.min.x)/2));
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center.z = bb.min.z + (((bb.max.z - bb.min.z)/2));
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Matrix matTranslate = MatrixTranslate(-center.x, 0, -center.z);
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models[i].transform = matTranslate;
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}
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int currentModel = 0;
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SetCameraMode(camera, CAMERA_ORBITAL); // Set a orbital camera mode
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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UpdateCamera(&camera); // Update our camera to orbit
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// Cycle between models on mouse click
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if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) currentModel = (currentModel + 1)%MAX_VOX_FILES;
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// Cycle between models on key pressed
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if (IsKeyPressed(KEY_RIGHT))
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{
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currentModel++;
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if (currentModel >= MAX_VOX_FILES) currentModel = 0;
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}
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else if (IsKeyPressed(KEY_LEFT))
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{
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currentModel--;
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if (currentModel < 0) currentModel = MAX_VOX_FILES - 1;
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}
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(RAYWHITE);
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// Draw 3D model
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BeginMode3D(camera);
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DrawModel(models[currentModel], (Vector3){ 0, 0, 0 }, 1.0f, WHITE);
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DrawGrid(10, 1.0);
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EndMode3D();
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// Display info
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DrawRectangle(10, 400, 310, 30, Fade(SKYBLUE, 0.5f));
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DrawRectangleLines(10, 400, 310, 30, Fade(DARKBLUE, 0.5f));
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DrawText("MOUSE LEFT BUTTON to CYCLE VOX MODELS", 40, 410, 10, BLUE);
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DrawText(TextFormat("File: %s", GetFileName(voxFileNames[currentModel])), 10, 10, 20, GRAY);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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// Unload models data (GPU VRAM)
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for (int i = 0; i < MAX_VOX_FILES; i++) UnloadModel(models[i]);
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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