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author | bonmas14 <bonmas14@gmail.com> | 2025-09-20 22:28:15 +0300 |
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committer | bonmas14 <bonmas14@gmail.com> | 2025-09-20 22:28:15 +0300 |
commit | cdda4c4182c9ee068567529715e4a5c68a8efb58 (patch) | |
tree | 38a63f62a64018a2d35fc33354f8589fd33b7514 /deps/raylib/examples/models/models_first_person_maze.c | |
download | c_wizard-cdda4c4182c9ee068567529715e4a5c68a8efb58.tar.gz c_wizard-cdda4c4182c9ee068567529715e4a5c68a8efb58.zip |
Init commit v1.0
Diffstat (limited to 'deps/raylib/examples/models/models_first_person_maze.c')
-rw-r--r-- | deps/raylib/examples/models/models_first_person_maze.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/deps/raylib/examples/models/models_first_person_maze.c b/deps/raylib/examples/models/models_first_person_maze.c new file mode 100644 index 0000000..b1af7d4 --- /dev/null +++ b/deps/raylib/examples/models/models_first_person_maze.c @@ -0,0 +1,132 @@ +/******************************************************************************************* +* +* raylib [models] example - first person maze +* +* Example originally created with raylib 2.5, 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) 2019-2024 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#include <stdlib.h> // Required for: free() + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [models] example - first person maze"); + + // Define the camera to look into our 3d world + Camera camera = { 0 }; + camera.position = (Vector3){ 0.2f, 0.4f, 0.2f }; // Camera position + camera.target = (Vector3){ 0.185f, 0.4f, 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 imMap = LoadImage("resources/cubicmap.png"); // Load cubicmap image (RAM) + Texture2D cubicmap = LoadTextureFromImage(imMap); // Convert image to texture to display (VRAM) + Mesh mesh = GenMeshCubicmap(imMap, (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 + + // Get map image data to be used for collision detection + Color *mapPixels = LoadImageColors(imMap); + UnloadImage(imMap); // Unload image from RAM + + Vector3 mapPosition = { -16.0f, 0.0f, -8.0f }; // Set model position + + DisableCursor(); // Limit cursor to relative movement inside the window + + 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 + //---------------------------------------------------------------------------------- + Vector3 oldCamPos = camera.position; // Store old camera position + + UpdateCamera(&camera, CAMERA_FIRST_PERSON); + + // Check player collision (we simplify to 2D collision detection) + Vector2 playerPos = { camera.position.x, camera.position.z }; + float playerRadius = 0.1f; // Collision radius (player is modelled as a cilinder for collision) + + int playerCellX = (int)(playerPos.x - mapPosition.x + 0.5f); + int playerCellY = (int)(playerPos.y - mapPosition.z + 0.5f); + + // Out-of-limits security check + if (playerCellX < 0) playerCellX = 0; + else if (playerCellX >= cubicmap.width) playerCellX = cubicmap.width - 1; + + if (playerCellY < 0) playerCellY = 0; + else if (playerCellY >= cubicmap.height) playerCellY = cubicmap.height - 1; + + // Check map collisions using image data and player position + // TODO: Improvement: Just check player surrounding cells for collision + for (int y = 0; y < cubicmap.height; y++) + { + for (int x = 0; x < cubicmap.width; x++) + { + if ((mapPixels[y*cubicmap.width + x].r == 255) && // Collision: white pixel, only check R channel + (CheckCollisionCircleRec(playerPos, playerRadius, + (Rectangle){ mapPosition.x - 0.5f + x*1.0f, mapPosition.z - 0.5f + y*1.0f, 1.0f, 1.0f }))) + { + // Collision detected, reset camera position + camera.position = oldCamPos; + } + } + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + BeginMode3D(camera); + DrawModel(model, mapPosition, 1.0f, WHITE); // Draw maze map + EndMode3D(); + + DrawTextureEx(cubicmap, (Vector2){ GetScreenWidth() - cubicmap.width*4.0f - 20, 20.0f }, 0.0f, 4.0f, WHITE); + DrawRectangleLines(GetScreenWidth() - cubicmap.width*4 - 20, 20, cubicmap.width*4, cubicmap.height*4, GREEN); + + // Draw player position radar + DrawRectangle(GetScreenWidth() - cubicmap.width*4 - 20 + playerCellX*4, 20 + playerCellY*4, 4, 4, RED); + + DrawFPS(10, 10); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadImageColors(mapPixels); // Unload color array + + UnloadTexture(cubicmap); // Unload cubicmap texture + UnloadTexture(texture); // Unload map texture + UnloadModel(model); // Unload map model + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} |