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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| Copyright (c) 2021-2023 Jaedeok Kim <jdeokkim@protonmail.com> | ||
| Permission is hereby granted, free of charge, to any person obtaining a | ||
| copy of this software and associated documentation files (the "Software"), | ||
| to deal in the Software without restriction, including without limitation | ||
| the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| and/or sell copies of the Software, and to permit persons to whom the | ||
| Software is furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included | ||
| in all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
||
| /* Includes ================================================================ */ | ||
|
|
||
| #include "ferox.h" | ||
| #include "raylib.h" | ||
|
|
||
| #define FEROX_RAYLIB_IMPLEMENTATION | ||
| #include "ferox-raylib.h" | ||
|
|
||
| #ifdef PLATFORM_WEB | ||
| #include <emscripten/emscripten.h> | ||
| #endif | ||
|
|
||
| /* Macros ================================================================== */ | ||
|
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||
| // clang-format off | ||
|
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| #define TARGET_FPS 60 | ||
|
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| #define SCREEN_WIDTH 600 | ||
| #define SCREEN_HEIGHT 800 | ||
|
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| #define MAX_WALL_COUNT 3 | ||
| #define MELON_KIND_COUNT 4 | ||
|
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||
| // clang-format on | ||
|
|
||
| /* Typedefs ================================================================ */ | ||
|
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| typedef struct _MelonKind { | ||
| int index; | ||
| Color color; | ||
| } MelonKind; | ||
|
|
||
| /* Constants =============================================================== */ | ||
|
|
||
| static const frMaterial MATERIAL_WALL = { .density = 1.25f, | ||
| .friction = 0.75f, | ||
| .restitution = 0.1f }; | ||
|
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| static const Rectangle SCREEN_BOUNDS = { .width = SCREEN_WIDTH, | ||
| .height = SCREEN_HEIGHT }; | ||
|
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| static const MelonKind MELON_KINDS[MELON_KIND_COUNT] = { | ||
| { .index = 0, .color = RED }, | ||
| { .index = 1, .color = ORANGE }, | ||
| { .index = 2, .color = YELLOW }, | ||
| { .index = 3, .color = GREEN } | ||
| }; | ||
|
|
||
| static const float CELL_SIZE = 4.0f, DELTA_TIME = 1.0f / (2.0f * TARGET_FPS); | ||
|
|
||
| /* Private Variables ======================================================= */ | ||
|
|
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| static frWorld *world; | ||
|
|
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| static frShape *melonShapes[MELON_KIND_COUNT]; | ||
|
|
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| static frBody *cursor, *walls[MAX_WALL_COUNT]; | ||
|
|
||
| /* Private Function Prototypes ============================================= */ | ||
|
|
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| static void InitExample(void); | ||
| static void UpdateExample(void); | ||
| static void DeinitExample(void); | ||
|
|
||
| /* Public Functions ======================================================== */ | ||
|
|
||
| int main(void) { | ||
| SetConfigFlags(FLAG_MSAA_4X_HINT); | ||
|
|
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| InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "c-krit/ferox | melon.c"); | ||
|
|
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| InitExample(); | ||
|
|
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| #ifdef PLATFORM_WEB | ||
| emscripten_set_main_loop(UpdateExample, 0, 1); | ||
| #else | ||
| SetTargetFPS(TARGET_FPS); | ||
|
|
||
| while (!WindowShouldClose()) | ||
| UpdateExample(); | ||
| #endif | ||
|
|
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| DeinitExample(); | ||
|
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| CloseWindow(); | ||
|
|
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| return 0; | ||
| } | ||
|
|
||
| /* Private Functions ======================================================= */ | ||
|
|
||
| static void InitExample(void) { | ||
| world = frCreateWorld(frVector2ScalarMultiply(FR_WORLD_DEFAULT_GRAVITY, | ||
| 2.0f), | ||
| CELL_SIZE); | ||
|
|
||
| for (int i = 0; i < MELON_KIND_COUNT; i++) | ||
| melonShapes[i] = frCreateCircle((frMaterial) { .density = 3.5f | ||
| / (i + 1), | ||
| .friction = 0.65f, | ||
| .restitution = 0.1f }, | ||
| 0.4f * (i + 3)); | ||
|
|
||
| walls[0] = frCreateBodyFromShape( | ||
| FR_BODY_STATIC, | ||
| frVector2PixelsToUnits((frVector2) { .x = 0.5f * SCREEN_WIDTH, | ||
| .y = 0.95f * SCREEN_HEIGHT }), | ||
| frCreateRectangle(MATERIAL_WALL, | ||
| frPixelsToUnits(1.0f * SCREEN_WIDTH), | ||
| frPixelsToUnits(0.1f * SCREEN_HEIGHT))); | ||
|
|
||
| const frVertices wallVertices1 = { | ||
| .data = { frVector2PixelsToUnits( | ||
| (frVector2) { .x = -80.0f, .y = 400.0f }), | ||
| frVector2PixelsToUnits( | ||
| (frVector2) { .x = -80.0f, .y = -400.0f }), | ||
| frVector2PixelsToUnits( | ||
| (frVector2) { .x = 120.0f, .y = 400.0f }), | ||
| frVector2PixelsToUnits( | ||
| (frVector2) { .x = 0.0f, .y = -400.0f }) }, | ||
| .count = 4 | ||
| }; | ||
|
|
||
| walls[1] = frCreateBodyFromShape(FR_BODY_STATIC, | ||
| frVector2PixelsToUnits((frVector2) { | ||
| .x = 0.02f * SCREEN_WIDTH, | ||
| .y = 0.5f * SCREEN_HEIGHT }), | ||
| frCreatePolygon(MATERIAL_WALL, | ||
| &wallVertices1)); | ||
|
|
||
| const frVertices wallVertices2 = { | ||
| .data = { frVector2PixelsToUnits( | ||
| (frVector2) { .x = 0.0f, .y = -400.0f }), | ||
| frVector2PixelsToUnits( | ||
| (frVector2) { .x = -120.0f, .y = 400.0f }), | ||
| frVector2PixelsToUnits( | ||
| (frVector2) { .x = 80.0f, .y = 400.0f }), | ||
| frVector2PixelsToUnits( | ||
| (frVector2) { .x = 80.0f, .y = -400.0f }) }, | ||
| .count = 4 | ||
| }; | ||
|
|
||
| walls[2] = frCreateBodyFromShape(FR_BODY_STATIC, | ||
| frVector2PixelsToUnits((frVector2) { | ||
| .x = 0.98f * SCREEN_WIDTH, | ||
| .y = 0.5f * SCREEN_HEIGHT }), | ||
| frCreatePolygon(MATERIAL_WALL, | ||
| &wallVertices2)); | ||
|
|
||
| for (int i = 0; i < MAX_WALL_COUNT; i++) | ||
| frAddBodyToWorld(world, walls[i]); | ||
|
|
||
| cursor = frCreateBodyFromShape(FR_BODY_KINEMATIC, | ||
| frVector2PixelsToUnits((frVector2) { | ||
| .x = 0.5f * SCREEN_WIDTH, | ||
| .y = 0.15f * SCREEN_HEIGHT }), | ||
| melonShapes[0]); | ||
|
|
||
| frSetBodyUserData(cursor, (void *) &MELON_KINDS[0]); | ||
| } | ||
|
|
||
| static void UpdateExample(void) { | ||
| const MelonKind *cursorKind = frGetBodyUserData(cursor); | ||
|
|
||
| { | ||
| frVector2 cursorPosition = frGetBodyPosition(cursor); | ||
|
|
||
| if (IsKeyDown(KEY_LEFT)) cursorPosition.x -= 0.2f; | ||
| if (IsKeyDown(KEY_RIGHT)) cursorPosition.x += 0.2f; | ||
|
|
||
| if (cursorPosition.x < frPixelsToUnits(0.1f * SCREEN_WIDTH)) | ||
| cursorPosition.x = frPixelsToUnits(0.1f * SCREEN_WIDTH); | ||
|
|
||
| if (cursorPosition.x > frPixelsToUnits(0.9f * SCREEN_WIDTH)) | ||
| cursorPosition.x = frPixelsToUnits(0.9f * SCREEN_WIDTH); | ||
|
|
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| frSetBodyPosition(cursor, cursorPosition); | ||
|
|
||
| if (IsKeyPressed(KEY_SPACE)) { | ||
| frBody *melon = | ||
| frCreateBodyFromShape(FR_BODY_DYNAMIC, | ||
| cursorPosition, | ||
| melonShapes[cursorKind->index]); | ||
|
|
||
| frSetBodyUserData(melon, (void *) cursorKind); | ||
|
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| frAddBodyToWorld(world, melon); | ||
|
|
||
| const int cursorIndex = GetRandomValue(0, MELON_KIND_COUNT - 1); | ||
|
|
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| frSetBodyShape(cursor, melonShapes[cursorIndex]); | ||
| frSetBodyUserData(cursor, (void *) &MELON_KINDS[cursorIndex]); | ||
| } | ||
| } | ||
|
|
||
| frUpdateWorld(world, DELTA_TIME); | ||
|
|
||
| { | ||
| BeginDrawing(); | ||
|
|
||
| ClearBackground(FR_DRAW_COLOR_MATTEBLACK); | ||
|
|
||
| frDrawGrid(SCREEN_BOUNDS, | ||
| CELL_SIZE, | ||
| 0.25f, | ||
| ColorAlpha(DARKGRAY, 0.75f)); | ||
|
|
||
| for (int i = 0; i < MAX_WALL_COUNT; i++) | ||
| frDrawBodyLines(walls[i], 1.0f, DARKGRAY); | ||
|
|
||
| const int bodyCount = frGetBodyCountForWorld(world); | ||
|
|
||
| for (int i = MAX_WALL_COUNT; i < bodyCount; i++) { | ||
| frBody *melon = frGetBodyFromWorld(world, i); | ||
|
|
||
| const MelonKind *melonKind = frGetBodyUserData(melon); | ||
|
|
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| frDrawBodyLines(melon, 2.0f, melonKind->color); | ||
| } | ||
|
|
||
| frDrawBodyLines(cursor, 2.0f, ColorAlpha(cursorKind->color, 0.5f)); | ||
|
|
||
| DrawFPS(8, 8); | ||
|
|
||
| EndDrawing(); | ||
| } | ||
| } | ||
|
|
||
| static void DeinitExample(void) { | ||
| for (int i = 0; i < MELON_KIND_COUNT; i++) | ||
| frReleaseShape(melonShapes[i]); | ||
|
|
||
| for (int i = 0; i < MAX_WALL_COUNT; i++) | ||
| frReleaseShape(frGetBodyShape(walls[i])); | ||
|
|
||
| frReleaseBody(cursor); | ||
| frReleaseWorld(world); | ||
| } |
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