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physac module redesign (2/3)

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physac module base almost finished. All collisions are now resolved
properly and some force functions was added.

COLLIDER_CAPSULE removed for now because in 2D everything is composed by
rectangle and circle colliders...

The last step is move physics update loop into another thread and update
it in a fixed time step based on fps.
This commit is contained in:
victorfisac
2016-03-16 12:45:01 +01:00
parent d728494099
commit 7128ef686d
2 changed files with 378 additions and 139 deletions
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9
src/physac.h
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@@ -40,7 +40,7 @@ typedef struct Vector2 {
float y;
} Vector2;
typedef enum { COLLIDER_CIRCLE, COLLIDER_RECTANGLE, COLLIDER_CAPSULE } ColliderType;
typedef enum { COLLIDER_CIRCLE, COLLIDER_RECTANGLE } ColliderType;
typedef struct Transform {
Vector2 position;
@@ -56,7 +56,7 @@ typedef struct Rigidbody {
bool applyGravity;
bool isGrounded;
float friction; // Normalized value
float bounciness; // Normalized value
float bounciness;
} Rigidbody;
typedef struct Collider {
@@ -81,13 +81,16 @@ extern "C" { // Prevents name mangling of functions
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
void InitPhysics(); // Initializes pointers array (just pointers, fixed size)
void InitPhysics(Vector2 gravity); // Initializes pointers array (just pointers, fixed size)
void UpdatePhysics(); // Update physic objects, calculating physic behaviours and collisions detection
void ClosePhysics(); // Unitialize all physic objects and empty the objects pool
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
void ApplyForce(PhysicObject *pObj, Vector2 force); // Apply directional force to a physic object
void ApplyForceAtPosition(Vector2 position, float force, float radius); // Apply radial force to all physic objects in range
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