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-rw-r--r--examples/web/physics/physics_shatter.c149
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diff --git a/examples/web/physics/physics_shatter.c b/examples/web/physics/physics_shatter.c
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-/*******************************************************************************************
-*
-* Physac - Body shatter
-*
-* NOTE 1: Physac requires multi-threading, when InitPhysics() a second thread is created to manage physics calculations.
-* NOTE 2: Physac requires static C library linkage to avoid dependency on MinGW DLL (-static -lpthread)
-*
-* Use the following line to compile:
-*
-* gcc -o $(NAME_PART).exe $(FILE_NAME) -s $(RAYLIB_DIR)\raylib\raylib_icon -static -lraylib -lpthread
-* -lglfw3 -lopengl32 -lgdi32 -lopenal32 -lwinmm -std=c99 -Wl,--subsystem,windows -Wl,-allow-multiple-definition
-*
-* Copyright (c) 2017 Victor Fisac
-*
-********************************************************************************************/
-
-#include "raylib.h"
-
-#define PHYSAC_IMPLEMENTATION
-#include "physac.h"
-
-#if defined(PLATFORM_WEB)
- #include <emscripten/emscripten.h>
-#endif
-
-//----------------------------------------------------------------------------------
-// Global Variables Definition
-//----------------------------------------------------------------------------------
-const int screenWidth = 800;
-const int screenHeight = 450;
-
-// Physac logo drawing position
-int logoX = 0;
-int logoY = 15;
-
-PhysicsBody body = { 0 };
-
-//----------------------------------------------------------------------------------
-// Module Functions Declaration
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void); // Update and Draw one frame
-
-//----------------------------------------------------------------------------------
-// Program Main Entry Point
-//----------------------------------------------------------------------------------
-int main(void)
-{
- // Initialization
- //--------------------------------------------------------------------------------------
- SetConfigFlags(FLAG_MSAA_4X_HINT);
- InitWindow(screenWidth, screenHeight, "Physac [raylib] - Body shatter");
-
- // Physac logo drawing position
- logoX = screenWidth - MeasureText("Physac", 30) - 10;
-
- // Initialize physics and default physics bodies
- InitPhysics();
- SetPhysicsGravity(0, 0);
-
- // Create random polygon physics body to shatter
- body = CreatePhysicsBodyPolygon((Vector2){ screenWidth/2, screenHeight/2 }, GetRandomValue(80, 200), GetRandomValue(3, 8), 10);
-
-#if defined(PLATFORM_WEB)
- emscripten_set_main_loop(UpdateDrawFrame, 60, 1);
-#else
- SetTargetFPS(60); // Set our game to run at 60 frames-per-second
- //--------------------------------------------------------------------------------------
-
- // Main game loop
- while (!WindowShouldClose()) // Detect window close button or ESC key
- {
- UpdateDrawFrame();
- }
-#endif
-
- // De-Initialization
- //--------------------------------------------------------------------------------------
- ClosePhysics(); // Uninitialize physics
-
- CloseWindow(); // Close window and OpenGL context
- //--------------------------------------------------------------------------------------
-
- return 0;
-}
-
-//----------------------------------------------------------------------------------
-// Module Functions Definition
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void)
-{
- // Update
- //----------------------------------------------------------------------------------
- PhysicsStep();
-
- if (IsKeyPressed('R')) // Reset physics input
- {
- ResetPhysics();
-
- // Create random polygon physics body to shatter
- body = CreatePhysicsBodyPolygon((Vector2){ screenWidth/2, screenHeight/2 }, GetRandomValue(80, 200), GetRandomValue(3, 8), 10);
- }
-
- if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) // Physics shatter input
- {
- // Note: some values need to be stored in variables due to asynchronous changes during main thread
- int count = GetPhysicsBodiesCount();
- for (int i = count - 1; i >= 0; i--)
- {
- PhysicsBody currentBody = GetPhysicsBody(i);
- if (currentBody != NULL) PhysicsShatter(currentBody, GetMousePosition(), 10/currentBody->inverseMass);
- }
- }
- //----------------------------------------------------------------------------------
-
- // Draw
- //----------------------------------------------------------------------------------
- BeginDrawing();
-
- ClearBackground(BLACK);
-
- // Draw created physics bodies
- int bodiesCount = GetPhysicsBodiesCount();
- for (int i = 0; i < bodiesCount; i++)
- {
- PhysicsBody currentBody = GetPhysicsBody(i);
-
- int vertexCount = GetPhysicsShapeVerticesCount(i);
- for (int j = 0; j < vertexCount; j++)
- {
- // Get physics bodies shape vertices to draw lines
- // Note: GetPhysicsShapeVertex() already calculates rotation transformations
- Vector2 vertexA = GetPhysicsShapeVertex(currentBody, j);
-
- int jj = (((j + 1) < vertexCount) ? (j + 1) : 0); // Get next vertex or first to close the shape
- Vector2 vertexB = GetPhysicsShapeVertex(currentBody, jj);
-
- DrawLineV(vertexA, vertexB, GREEN); // Draw a line between two vertex positions
- }
- }
-
- DrawText("Left mouse button in polygon area to shatter body\nPress 'R' to reset example", 10, 10, 10, WHITE);
-
- DrawText("Physac", logoX, logoY, 30, WHITE);
- DrawText("Powered by", logoX + 50, logoY - 7, 10, WHITE);
-
- EndDrawing();
- //----------------------------------------------------------------------------------
-}
-