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Ball and Spring Toy
Ian Parberry's "Introduction to Game Physics"
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The spring. More...
#include <Spring.h>
Public Member Functions | |
| CSpring (eSprite, CPoint *, CPoint *, float) | |
| Constructor. | |
| void | draw () |
| Draw. More... | |
| void | Relax () |
| Gauss-Seidel relaxation. More... | |
Private Attributes | |
| eSprite | m_eSpriteType = eSprite::Size |
| Sprite type. | |
| CPoint * | m_pV0 |
| Point at one end. | |
| CPoint * | m_pV1 |
| Point at the other end. | |
| float | m_fRestLength = 0 |
| Rest length. | |
| float | m_fRestitution = 0 |
| Springiness, between 0.0f and 1.0f. | |
| float | m_fAngle = 0 |
| Orientation. | |
Additional Inherited Members | |
Static Protected Attributes inherited from CCommon | |
| static CRenderer * | m_pRenderer = nullptr |
| Pointer to the renderer. | |
| static CObjectManager * | m_pObjectManager = nullptr |
| Pointer to the object manager. | |
| static eBody | m_eCurrentBody = (eBody)0 |
| Current body type. | |
The spring class is the representation of an abstract spring or stick. It has flags that let you choose not to draw it and whether it should be drawn as a spring or a stick. The latter should be set according to the spring's restitution but at this level the two concepts can be independent of one another.
| void CSpring::draw | ( | ) |
Draw the spring and the points at its ends.
| void CSpring::Relax | ( | ) |
Perform a single iteration of Gauss-Seidel relaxation.