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Diffstat (limited to 'examples/web/physics/physics_friction.c')
| -rw-r--r-- | examples/web/physics/physics_friction.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/examples/web/physics/physics_friction.c b/examples/web/physics/physics_friction.c deleted file mode 100644 index 422c108..0000000 --- a/examples/web/physics/physics_friction.c +++ /dev/null @@ -1,180 +0,0 @@ -/******************************************************************************************* -* -* Physac - Physics friction -* -* 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 bodyA = { 0 }; -PhysicsBody bodyB = { 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] - Physics friction"); - - // Physac logo drawing position - logoX = screenWidth - MeasureText("Physac", 30) - 10; - - // Initialize physics and default physics bodies - InitPhysics(); - - // Create floor rectangle physics body - PhysicsBody ground = CreatePhysicsBodyRectangle((Vector2){ screenWidth/2, screenHeight }, screenWidth, 100, 10); - ground->enabled = false; // Disable body state to convert it to static (no dynamics, but collisions) - - PhysicsBody wall = CreatePhysicsBodyRectangle((Vector2){ screenWidth/2, screenHeight*0.8f }, 10, 80, 10); - wall->enabled = false; // Disable body state to convert it to static (no dynamics, but collisions) - - // Create left ramp physics body - PhysicsBody rectLeft = CreatePhysicsBodyRectangle((Vector2){ 25, screenHeight - 5 }, 250, 250, 10); - rectLeft->enabled = false; // Disable body state to convert it to static (no dynamics, but collisions) - SetPhysicsBodyRotation(rectLeft, 30*DEG2RAD); - - // Create right ramp physics body - PhysicsBody rectRight = CreatePhysicsBodyRectangle((Vector2){ screenWidth - 25, screenHeight - 5 }, 250, 250, 10); - rectRight->enabled = false; // Disable body state to convert it to static (no dynamics, but collisions) - SetPhysicsBodyRotation(rectRight, 330*DEG2RAD); - - // Create dynamic physics bodies - bodyA = CreatePhysicsBodyRectangle((Vector2){ 35, screenHeight*0.6f }, 40, 40, 10); - bodyA->staticFriction = 0.1f; - bodyA->dynamicFriction = 0.1f; - SetPhysicsBodyRotation(bodyA, 30*DEG2RAD); - - bodyB = CreatePhysicsBodyRectangle((Vector2){ screenWidth - 35, screenHeight*0.6f }, 40, 40, 10); - bodyB->staticFriction = 1; - bodyB->dynamicFriction = 1; - SetPhysicsBodyRotation(bodyB, 330*DEG2RAD); - -#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 - { - // Reset dynamic physics bodies position, velocity and rotation - bodyA->position = (Vector2){ 35, screenHeight*0.6f }; - bodyA->velocity = (Vector2){ 0, 0 }; - bodyA->angularVelocity = 0; - SetPhysicsBodyRotation(bodyA, 30*DEG2RAD); - - bodyB->position = (Vector2){ screenWidth - 35, screenHeight*0.6f }; - bodyB->velocity = (Vector2){ 0, 0 }; - bodyB->angularVelocity = 0; - SetPhysicsBodyRotation(bodyB, 330*DEG2RAD); - } - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginDrawing(); - - ClearBackground(BLACK); - - DrawFPS(screenWidth - 90, screenHeight - 30); - - // Draw created physics bodies - int bodiesCount = GetPhysicsBodiesCount(); - for (int i = 0; i < bodiesCount; i++) - { - PhysicsBody body = GetPhysicsBody(i); - - if (body != NULL) - { - 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(body, j); - - int jj = (((j + 1) < vertexCount) ? (j + 1) : 0); // Get next vertex or first to close the shape - Vector2 vertexB = GetPhysicsShapeVertex(body, jj); - - DrawLineV(vertexA, vertexB, GREEN); // Draw a line between two vertex positions - } - } - } - - DrawRectangle(0, screenHeight - 49, screenWidth, 49, BLACK); - - DrawText("Friction amount", (screenWidth - MeasureText("Friction amount", 30))/2, 75, 30, WHITE); - DrawText("0.1", bodyA->position.x - MeasureText("0.1", 20)/2, bodyA->position.y - 7, 20, WHITE); - DrawText("1", bodyB->position.x - MeasureText("1", 20)/2, bodyB->position.y - 7, 20, WHITE); - - DrawText("Press 'R' to reset example", 10, 10, 10, WHITE); - - DrawText("Physac", logoX, logoY, 30, WHITE); - DrawText("Powered by", logoX + 50, logoY - 7, 10, WHITE); - - EndDrawing(); - //---------------------------------------------------------------------------------- -} - |