diff options
Diffstat (limited to 'src/physac.h')
| -rw-r--r-- | src/physac.h | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/src/physac.h b/src/physac.h index 9e1b0b88..b948e4ce 100644 --- a/src/physac.h +++ b/src/physac.h @@ -1,6 +1,6 @@ /********************************************************************************************** * -* [physac] raylib physics engine module - Basic functions to apply physics to 2D objects +* [physac] raylib physics module - Basic functions to apply physics to 2D objects * * Copyright (c) 2015 Victor Fisac and Ramon Santamaria * @@ -31,62 +31,64 @@ //---------------------------------------------------------------------------------- // Types and Structures Definition +// NOTE: Below types are required for PHYSAC_STANDALONE usage //---------------------------------------------------------------------------------- -// Collider types + +// Vector2 type +typedef struct Vector2 { + float x; + float y; +} Vector2; + typedef enum { COLLIDER_CIRCLE, COLLIDER_RECTANGLE, COLLIDER_CAPSULE } ColliderType; -// Transform struct typedef struct Transform { Vector2 position; float rotation; Vector2 scale; } Transform; -// Rigidbody struct typedef struct Rigidbody { - bool enabled; + bool enabled; // Acts as kinematic state (collisions are calculated anyway) float mass; Vector2 acceleration; Vector2 velocity; - bool isGrounded; - bool isContact; // Avoid freeze player when touching floor bool applyGravity; - float friction; // 0.0f to 1.0f - float bounciness; // 0.0f to 1.0f + bool isGrounded; + float friction; // Normalized value + float bounciness; // Normalized value } Rigidbody; -// Collider struct typedef struct Collider { bool enabled; ColliderType type; - Rectangle bounds; // Used for COLLIDER_RECTANGLE and COLLIDER_CAPSULE - int radius; // Used for COLLIDER_CIRCLE and COLLIDER_CAPSULE + Rectangle bounds; // Used for COLLIDER_RECTANGLE and COLLIDER_CAPSULE + int radius; // Used for COLLIDER_CIRCLE and COLLIDER_CAPSULE } Collider; +typedef struct PhysicObject { + unsigned int id; + Transform transform; + Rigidbody rigidbody; + Collider collider; + bool enabled; +} PhysicObject; + #ifdef __cplusplus extern "C" { // Prevents name mangling of functions #endif //---------------------------------------------------------------------------------- -// Module Functions Declarations +// Module Functions Declaration //---------------------------------------------------------------------------------- -void InitPhysics(int maxPhysicElements); // Initialize all internal physics values -void UnloadPhysics(); // Unload physic elements arrays - -void AddRigidbody(int index, Rigidbody rigidbody); // Initialize a new rigidbody with parameters to internal index slot -void AddCollider(int index, Collider collider); // Initialize a new Collider with parameters to internal index slot - -void ApplyPhysics(int index, Vector2 *position); // Apply physics to internal rigidbody, physics calculations are applied to position pointer parameter -void SetRigidbodyEnabled(int index, bool state); // Set enabled state to a defined rigidbody -void SetRigidbodyVelocity(int index, Vector2 velocity); // Set velocity of rigidbody (without considering of mass value) -void SetRigidbodyAcceleration(int index, Vector2 acceleration); // Set acceleration of rigidbody (without considering of mass value) -void AddRigidbodyForce(int index, Vector2 force); // Set rigidbody force (considering mass value) -void AddForceAtPosition(Vector2 position, float intensity, float radius); // Add a force to all enabled rigidbodies at a position +void UpdatePhysics(); // Update physic objects, calculating physic behaviours and collisions detection +void ClosePhysics(); // Unitialize all physic objects and empty the objects pool -void SetColliderEnabled(int index, bool state); // Set enabled state to a defined collider +PhysicObject *CreatePhysicObject(Vector2 position, float rotation, Vector2 scale); // Create a new physic object dinamically, initialize it and add to pool +void DestroyPhysicObject(PhysicObject *pObj); // Destroy a specific physic object and take it out of the list -Rigidbody GetRigidbody(int index); // Returns the internal rigidbody data defined by index parameter -Collider GetCollider(int index); // Returns the internal collider data defined by index parameter +Rectangle TransformToRectangle(Transform transform); // Convert Transform data type to Rectangle (position and scale) +void DrawPhysicObjectInfo(PhysicObject *pObj, Vector2 position, int fontSize); // Draw physic object information at screen position #ifdef __cplusplus } |