A spring with a damper. More...
#import <ChipmunkConstraint.h>
Inherits ChipmunkConstraint.
Public Member Functions | |
| (id) | - initWithBodyA:bodyB:anchr1:anchr2:restLength:stiffness:damping: |
| Initialize a damped spring between two bodies at the given anchor points. | |
Static Public Member Functions | |
| (ChipmunkDampedSpring *) | + dampedSpringWithBodyA:bodyB:anchr1:anchr2:restLength:stiffness:damping: |
| Create an autoreleased damped spring between two bodies at the given anchor points. | |
Properties | |
| cpVect | anchr1 |
| The anchor point on the first body. | |
| cpVect | anchr2 |
| The anchor point on the second body. | |
| cpFloat | restLength |
| The length the spring wants to contract or expand to. | |
| cpFloat | stiffness |
| The young's modulus of the spring. | |
| cpFloat | damping |
| The amount of viscous damping to apply. | |
A spring with a damper.
While a spring is not technically a constraint, the damper is. The spring forces are simply a convenience.
| + (ChipmunkDampedSpring *) dampedSpringWithBodyA: | (ChipmunkBody *) | a | ||
| bodyB: | (ChipmunkBody *) | b | ||
| anchr1: | (cpVect) | anchr1 | ||
| anchr2: | (cpVect) | anchr2 | ||
| restLength: | (cpFloat) | restLength | ||
| stiffness: | (cpFloat) | stiffness | ||
| damping: | (cpFloat) | damping | ||
Create an autoreleased damped spring between two bodies at the given anchor points.
| restLength | The length the spring wants to contract or expand to. | |
| stiffness | The young's modulus of the spring. | |
| damping | The amount of viscous damping to apply. |
| - (id) initWithBodyA: | (ChipmunkBody *) | a | ||
| bodyB: | (ChipmunkBody *) | b | ||
| anchr1: | (cpVect) | anchr1 | ||
| anchr2: | (cpVect) | anchr2 | ||
| restLength: | (cpFloat) | restLength | ||
| stiffness: | (cpFloat) | stiffness | ||
| damping: | (cpFloat) | damping | ||
Initialize a damped spring between two bodies at the given anchor points.
| restLength | The length the spring wants to contract or expand to. | |
| stiffness | The young's modulus of the spring. | |
| damping | The amount of viscous damping to apply. |
1.7.1