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**TwoDPhysics Addon For Blender 2.80**

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TwoDPhysicsis a2D rigid body simulationadd-on for Blender 2.80. Since Blender 2.8, it is now possible to create a fully fledged 2D animation in Blender using grease pencil or other means. And there isn't a dedicated 2D rigid body physics engine for Blender so far. The existing physics engine is dedicated for 3D simulations and it requires all kinds of circus to create a 2D simulation using it. So here's the answer to that. Currently it is available for bothWindowsandLinux.

Rigid Bodies Supported: STATIC, DYNAMIC, KINEMATIC

Constraints Supported: Pin Joint, Slide Joint, Pivot Joint, Groove Joint, Damped Spring, Damped Rotary Spring, Rotary Limit Joint, Ratchet Joint, Gear Joint, Simple Motor

Enable Visualisation: Show collision shapes for the selected object.

World Collection: The collection containing world objects.

Gravity: Global gravity applied to the space.

Iterations: Iterations allow you to control the accuracy of the solver.

Steps per second: No of steps to simulate in a second, higher is better but slower.

Collision Bias: Determines how fast overlapping shapes are pushed apart. To improve stability, set this as high as you can without noticeable overlapping.

Collision Persistence: The number of frames the space keeps collision solutions around for. Helps prevent jittering contacts from getting worse. This defaults to 3.

Collision Slop: Amount of overlap between shapes that is allowed.

Damping: Amount of simple damping to apply to the space.

Start Frame: Start frame of simulation.

End Frame: End frame of simulation.

Bake Physics: Bake physics to keyframes.

Clear Bake: Clear baked keyframes.

Mass: Mass of the shape

Moment of Inertia: Moment of inertia of the body.

Animated: Rigidbody is animated. i.e. take locations from the animation.

Velocity: The velocity of the body.

AngularVelocity: The angular velocity of the body in radians per second.

Calculatemoment: From Shape will calculate the moment from all the shapes. From Body will calculate it manually from the values given.

CollisionShape: Circle, Poly, Segment (Line)

Density: The density of this shape.

Elasticity: Elasticity of the shape.

StartPoint: The first endpoint of the segment.

EndPoint: The second endpoint of the segment.

Friction: Friction coefficient.

SurfaceVelocity: The surface velocity of the object. This value is only used when calculating friction, not resolving the collision.

Shape from Curve: Get collision shape from curve.

Convex Hull :Calculate the collision shape from convex hull.

Type: Constraint Type.

First Object: The first of the two bodies constrained

Second Object: The second of the two bodies constrained

Anchor Point: Anchor Points on objects.

Collide Bodies: Ignores the collisions if this property is set to False on any constraint that connects the two bodies.

Error Bias: The percentage of joint error that remains unfixed after a second.

Max Bias: The maximum speed at which the constraint can apply error correction.

Max Force: The maximum force that the constraint can use to act on the two bodies.

World Settings

Basic Scene Setup

Multiple Rigid Body Worlds

Rigid Body Settings

Custom Collision Shapes and Compound Shapes

2D World in Arbitrary PlaneBy default, rigid body worlds or on xy plane. But you can make it into any arbitrary 2D plane.