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implement VerletPoint::integrateForward()

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This commit is contained in:
Andrew Meadows 2014-07-25 15:23:12 -07:00
parent b2c2cfec79
commit 60612f6397
2 changed files with 8 additions and 0 deletions
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6
libraries/shared/src/VerletPoint.cpp
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@ -11,6 +11,12 @@
#include "VerletPoint.h" #include "VerletPoint.h"
void VerletPoint::integrateForward() {
glm::vec3 oldPosition = _position;
_position += 0.6f * (_position - _lastPosition);
_lastPosition = oldPosition;
}
void VerletPoint::accumulateDelta(const glm::vec3& delta) { void VerletPoint::accumulateDelta(const glm::vec3& delta) {
_accumulatedDelta += delta; _accumulatedDelta += delta;
++_numDeltas; ++_numDeltas;

2
libraries/shared/src/VerletPoint.h
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@ -18,6 +18,8 @@ class VerletPoint {
public: public:
VerletPoint() : _position(0.0f), _lastPosition(0.0f), _mass(1.0f), _accumulatedDelta(0.0f), _numDeltas(0) {} VerletPoint() : _position(0.0f), _lastPosition(0.0f), _mass(1.0f), _accumulatedDelta(0.0f), _numDeltas(0) {}
void initPosition(const glm::vec3& position) { _position = position; _lastPosition = position; }
void integrateForward();
void accumulateDelta(const glm::vec3& delta); void accumulateDelta(const glm::vec3& delta);
void applyAccumulatedDelta(); void applyAccumulatedDelta();