diff --git a/examples/physics_basic_rigidbody.c b/examples/physics_basic_rigidbody.c index 8870c55b3..24570426f 100644 --- a/examples/physics_basic_rigidbody.c +++ b/examples/physics_basic_rigidbody.c @@ -13,10 +13,13 @@ #define PHYSAC_IMPLEMENTATION #include "physac.h" +#include #define MOVE_VELOCITY 5 #define JUMP_VELOCITY 30 +void* PhysicsThread(void *arg); + int main() { // Initialization @@ -53,6 +56,10 @@ int main() // Create pplatform physic object PhysicBody platform = CreatePhysicBody((Vector2){ screenWidth/2, screenHeight*0.7f }, 0.0f, (Vector2){ screenWidth*0.25f, 20 }); + // Create physics thread + pthread_t tid; + pthread_create(&tid, NULL, &PhysicsThread, NULL); + SetTargetFPS(60); //-------------------------------------------------------------------------------------- @@ -61,10 +68,9 @@ int main() { // Update //---------------------------------------------------------------------------------- - UpdatePhysics(); // Update all created physic objects // Check rectangle movement inputs - if (IsKeyDown('W') && rectangle->rigidbody.isGrounded) rectangle->rigidbody.velocity.y = JUMP_VELOCITY; + if (IsKeyPressed('W')) rectangle->rigidbody.velocity.y = JUMP_VELOCITY; if (IsKeyDown('A')) rectangle->rigidbody.velocity.x = -MOVE_VELOCITY; else if (IsKeyDown('D')) rectangle->rigidbody.velocity.x = MOVE_VELOCITY; @@ -117,10 +123,32 @@ int main() // De-Initialization //-------------------------------------------------------------------------------------- + pthread_cancel(tid); // Destroy physics thread + ClosePhysics(); // Unitialize physics (including all loaded objects) CloseWindow(); // Close window and OpenGL context //-------------------------------------------------------------------------------------- return 0; +} + +void* PhysicsThread(void *arg) +{ + // Initialize time variables + double currentTime = GetTime(); + double previousTime = currentTime; + + // Physics update loop + while (!WindowShouldClose()) + { + currentTime = GetTime(); + double deltaTime = (double)(currentTime - previousTime); + previousTime = currentTime; + + // Delta time value needs to be inverse multiplied by physics time step value (1/target fps) + UpdatePhysics(deltaTime/PHYSICS_TIMESTEP); + } + + return NULL; } \ No newline at end of file diff --git a/examples/physics_forces.c b/examples/physics_forces.c index 3e90a21db..397c23318 100644 --- a/examples/physics_forces.c +++ b/examples/physics_forces.c @@ -13,12 +13,15 @@ #define PHYSAC_IMPLEMENTATION #include "physac.h" +#include #define FORCE_AMOUNT 5.0f #define FORCE_RADIUS 150 #define LINE_LENGTH 75 #define TRIANGLE_LENGTH 12 +void* PhysicsThread(void *arg); + int main() { // Initialization @@ -61,6 +64,10 @@ int main() PhysicBody topWall = CreatePhysicBody((Vector2){ screenWidth/2, -25 }, 0.0f, (Vector2){ screenWidth, 50 }); PhysicBody bottomWall = CreatePhysicBody((Vector2){ screenWidth/2, screenHeight + 25 }, 0.0f, (Vector2){ screenWidth, 50 }); + // Create physics thread + pthread_t tid; + pthread_create(&tid, NULL, &PhysicsThread, NULL); + SetTargetFPS(60); //-------------------------------------------------------------------------------------- @@ -69,7 +76,6 @@ int main() { // Update //---------------------------------------------------------------------------------- - UpdatePhysics(); // Update all created physic objects // Update mouse position value mousePosition = GetMousePosition(); @@ -174,10 +180,32 @@ int main() // De-Initialization //-------------------------------------------------------------------------------------- + pthread_cancel(tid); // Destroy physics thread + ClosePhysics(); // Unitialize physics module CloseWindow(); // Close window and OpenGL context //-------------------------------------------------------------------------------------- return 0; +} + +void* PhysicsThread(void *arg) +{ + // Initialize time variables + double currentTime = GetTime(); + double previousTime = currentTime; + + // Physics update loop + while (!WindowShouldClose()) + { + currentTime = GetTime(); + double deltaTime = (double)(currentTime - previousTime); + previousTime = currentTime; + + // Delta time value needs to be inverse multiplied by physics time step value (1/target fps) + UpdatePhysics(deltaTime/PHYSICS_TIMESTEP); + } + + return NULL; } \ No newline at end of file