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| author | Ray <[email protected]> | 2017-04-04 01:54:49 +0200 |
|---|---|---|
| committer | Ray <[email protected]> | 2017-04-04 01:54:49 +0200 |
| commit | dd4dd0e87d7d215a21b8fc129cbe1adc4b96afe8 (patch) | |
| tree | 724f11991d301fc8bfd01ccd13321f66d8969329 /examples/physac/physics_shatter.c | |
| parent | 5a230659ef39c6eb3bdb5412ca6e1bfc9eeda98e (diff) | |
| download | raylib-dd4dd0e87d7d215a21b8fc129cbe1adc4b96afe8.tar.gz raylib-dd4dd0e87d7d215a21b8fc129cbe1adc4b96afe8.zip | |
Reorganize examples folder
Diffstat (limited to 'examples/physac/physics_shatter.c')
| -rw-r--r-- | examples/physac/physics_shatter.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/examples/physac/physics_shatter.c b/examples/physac/physics_shatter.c new file mode 100644 index 00000000..fac90714 --- /dev/null +++ b/examples/physac/physics_shatter.c @@ -0,0 +1,110 @@ +/******************************************************************************************* +* +* Physac - Body shatter +* +* NOTE: Physac requires multi-threading, when InitPhysics() a second thread is created to manage physics calculations. +* +* Use the following code to compile (-static -lpthread): +* 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 "../src/physac.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + SetConfigFlags(FLAG_MSAA_4X_HINT); + InitWindow(screenWidth, screenHeight, "Physac [raylib] - Body shatter"); + SetTargetFPS(60); + + // Physac logo drawing position + int logoX = screenWidth - MeasureText("Physac", 30) - 10; + int logoY = 15; + + // Initialize physics and default physics bodies + InitPhysics(); + SetPhysicsGravity(0, 0); + + // Create random polygon physics body to shatter + PhysicsBody body = CreatePhysicsBodyPolygon((Vector2){ screenWidth/2, screenHeight/2 }, GetRandomValue(80, 200), GetRandomValue(3, 8), 10); + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + 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(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + ClosePhysics(); // Unitialize physics + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} |
