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Diffstat (limited to 'raylib/examples/models/models_loading_vox.c')
| -rw-r--r-- | raylib/examples/models/models_loading_vox.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/raylib/examples/models/models_loading_vox.c b/raylib/examples/models/models_loading_vox.c new file mode 100644 index 0000000..e148fd9 --- /dev/null +++ b/raylib/examples/models/models_loading_vox.c @@ -0,0 +1,133 @@ +/******************************************************************************************* +* +* 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; +} + + |
