mirror of
https://github.com/raylib-cs/raylib-cs
synced 2025-07-10 19:50:28 -04:00
Initial update to raylib 2.5
- Still a work in progress
This commit is contained in:
@ -1,24 +1,26 @@
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/* Physac.cs
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*
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* Copyright 2019 Chris Dill
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*
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* Release under zLib License.
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* See LICENSE for details.
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*/
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using System;
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using System.Runtime.InteropServices;
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namespace Raylib
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{
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#region Raylib-cs Enums
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public enum PhysicsShapeType
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{
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PHYSICS_CIRCLE,
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PHYSICS_POLYGON
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}
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#endregion
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#region Raylib-cs Types
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// Mat2 type (used for polygon shape rotation matrix)
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
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public struct Mat2
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{
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{
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public float m00;
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public float m01;
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public float m10;
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@ -26,9 +28,8 @@ namespace Raylib
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}
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// @TODO Custom array marshall issue https://github.com/ChrisDill/Raylib-cs/issues/9
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// hack same as raylib.cs _MaterialMap_e_FixedBuffer
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// no easy way to marshall arrays of custom types. no idea why?!?!
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// Span<T> seems to need ref struct.
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// Hack same as raylib.cs _MaterialMap_e_FixedBuffer
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// No easy way to marshall arrays of custom types. no idea why?
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public unsafe struct _Polygon_e_FixedBuffer
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{
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public Vector2 v0;
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@ -87,14 +88,14 @@ namespace Raylib
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
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public partial struct PhysicsBodyData
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{
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public uint id;
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{
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public uint id;
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[MarshalAs(UnmanagedType.Bool)]
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public bool enabled;
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public Vector2 position;
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public Vector2 velocity;
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public Vector2 position;
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public Vector2 velocity;
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public Vector2 force;
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public float angularVelocity;
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public float angularVelocity;
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public float torque;
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public float orient;
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public float inertia;
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@ -107,7 +108,7 @@ namespace Raylib
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[MarshalAs(UnmanagedType.Bool)]
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public bool useGravity;
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[MarshalAs(UnmanagedType.Bool)]
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public bool isGrounded;
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public bool isGrounded;
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[MarshalAs(UnmanagedType.Bool)]
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public bool freezeOrient;
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public PhysicsShape shape;
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@ -115,46 +116,24 @@ namespace Raylib
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
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public struct PhysicsManifoldData
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{
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{
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public uint id; // Reference unique identifier
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public IntPtr bodyA; // Manifold first physics body reference
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public IntPtr bodyB; // Manifold second physics body reference
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public float penetration; // Depth of penetration from collision
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public Vector2 normal; // Normal direction vector from 'a' to 'b'
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public Vector2 contactsA; // Points of contact during collision
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public Vector2 contactsB; // Points of contact during collision
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public Vector2 contactsA; // Points of contact during collision
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public Vector2 contactsB; // Points of contact during collision
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public uint contactsCount; // Current collision number of contacts
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public float restitution; // Mixed restitution during collision
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public float dynamicFriction; // Mixed dynamic friction during collision
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public float staticFriction; // Mixed static friction during collision
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}
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#endregion
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public static partial class Raylib
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{
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#region Raylib-cs Variables
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public const int PHYSAC_MAX_BODIES = 64;
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public const int PHYSAC_MAX_MANIFOLDS = 4096;
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public const int PHYSAC_MAX_VERTICES = 24;
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public const int PHYSAC_CIRCLE_VERTICES = 24;
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public const float PHYSAC_DESIRED_DELTATIME = 1.0f / 60.0f;
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public const float PHYSAC_MAX_TIMESTEP = 0.02f;
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public const int PHYSAC_COLLISION_ITERATIONS = 100;
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public const float PHYSAC_PENETRATION_ALLOWANCE = 0.05f;
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public const float PHYSAC_PENETRATION_CORRECTION = 0.4f;
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public const float PHYSAC_PI = 3.14159265358979323846f;
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public const float PHYSAC_DEG2RAD = (PHYSAC_PI / 180.0f);
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#endregion
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#region Raylib-cs Functions
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// Initializes physics values, pointers and creates physics loop thread
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void InitPhysics();
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// Run physics step, to be used if PHYSICS_NO_THREADS is set in your main loop
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@ -162,97 +141,71 @@ namespace Raylib
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public static extern void RunPhysicsStep();
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// Returns true if physics thread is currently enabled
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern bool IsPhysicsEnabled();
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// Sets physics global gravity force
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void SetPhysicsGravity(float x, float y);
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// Creates a new circle physics body with generic parameters
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[DllImport(nativeLibName, EntryPoint = "CreatePhysicsBodyCircle")]
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private static extern IntPtr CreatePhysicsBodyCircleImport(Vector2 pos, float radius, float density);
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public static PhysicsBodyData CreatePhysicsBodyCircle(Vector2 pos, float radius, float density)
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{
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var body = CreatePhysicsBodyCircleImport(pos, radius, density);
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var data = (PhysicsBodyData)Marshal.PtrToStructure(body, typeof(PhysicsBodyData));
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return data;
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}
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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private static extern IntPtr CreatePhysicsBodyCircle(Vector2 pos, float radius, float density);
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// Creates a new rectangle physics body with generic parameters
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[DllImport(nativeLibName, EntryPoint = "CreatePhysicsBodyRectangle")]
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private static extern IntPtr CreatePhysicsBodyRectangleImport(Vector2 pos, float width, float height, float density);
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public static PhysicsBodyData CreatePhysicsBodyRectangle(Vector2 pos, float width, float height, float density)
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{
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var body = CreatePhysicsBodyRectangleImport(pos, width, height, density);
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var data = (PhysicsBodyData)Marshal.PtrToStructure(body, typeof(PhysicsBodyData));
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return data;
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}
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr CreatePhysicsBodyRectangle(Vector2 pos, float width, float height, float density);
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// Creates a new polygon physics body with generic parameters
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[DllImport(nativeLibName, EntryPoint = "CreatePhysicsBodyPolygon")]
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private static extern IntPtr CreatePhysicsBodyPolygonImport(Vector2 pos, float radius, int sides, float density);
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public static PhysicsBodyData CreatePhysicsBodyPolygon(Vector2 pos, float radius, int sides, float density)
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{
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var body = CreatePhysicsBodyPolygonImport(pos, radius, sides, density);
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var data = (PhysicsBodyData)Marshal.PtrToStructure(body, typeof(PhysicsBodyData));
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return data;
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}
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr CreatePhysicsBodyPolygon(Vector2 pos, float radius, int sides, float density);
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// Adds a force to a physics body
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void PhysicsAddForce(PhysicsBodyData body, Vector2 force);
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// Adds an angular force to a physics body
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void PhysicsAddTorque(PhysicsBodyData body, float amount);
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// Shatters a polygon shape physics body to little physics bodies with explosion force
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void PhysicsShatter(PhysicsBodyData body, Vector2 position, float force);
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// Returns the current amount of created physics bodies
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int GetPhysicsBodiesCount();
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// Returns a physics body of the bodies pool at a specific index
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[DllImport(nativeLibName, EntryPoint = "GetPhysicsBody")]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr GetPhysicsBodyImport(int index);
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public static PhysicsBodyData GetPhysicsBody(int index)
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{
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var body = GetPhysicsBodyImport(index);
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var data = (PhysicsBodyData)Marshal.PtrToStructure(body, typeof(PhysicsBodyData));
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return data;
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}
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// Returns the physics body shape type (PHYSICS_CIRCLE or PHYSICS_POLYGON)
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int GetPhysicsShapeType(int index);
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// Returns the amount of vertices of a physics body shape
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int GetPhysicsShapeVerticesCount(int index);
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// Returns transformed position of a body shape (body position + vertex transformed position)
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern Vector2 GetPhysicsShapeVertex(PhysicsBodyData body, int vertex);
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// Sets physics body shape transform based on radians parameter
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void SetPhysicsBodyRotation(PhysicsBodyData body, float radians);
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// Unitializes and destroy a physics body
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void DestroyPhysicsBody(PhysicsBodyData body);
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// Destroys created physics bodies and manifolds and resets global values
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void ResetPhysics();
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// Unitializes physics pointers and closes physics loop thread
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[DllImport(nativeLibName,CallingConvention = CallingConvention.Cdecl)]
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void ClosePhysics();
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#endregion
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}
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}
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