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Improved the thing that goes back and forward

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This commit is contained in:
Benjamin Kyd
2019-02-01 18:17:16 +00:00
parent 82b5ebce04
commit aea5b47607
2 changed files with 11 additions and 9 deletions
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20
C++/Simple pendulum/main.cpp
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@@ -22,10 +22,15 @@ public:
bool OnUserUpdate(float fElapsedTime) override {
/* START CALCULATONS */
if (!m_isStopped) {
m_aAccel = ((-1 * m_gravity / m_pLength) * sin(m_theta) * m_pMass) * fElapsedTime;
m_timeAccumilator = m_timeAccumilator + fElapsedTime;
if (m_timeAccumilator >= 0.016f) {
m_aAccel = ((-1 * m_gravity / m_pLength) * sin(m_theta) * m_pMass) * m_timeAccumilator;
m_timeAccumilator = 0.0f;
m_aVelocity += m_aAccel *= m_pDamping;
m_theta += m_aVelocity;
m_aVelocity += m_aAccel;
m_aVelocity *= m_pDamping;
m_theta += m_aVelocity;
}
}
m_x = m_pLength * sin(m_theta) + m_pivotX;
@@ -67,11 +72,7 @@ public:
Clear(olc::WHITE);
FillCircle(m_pivotX, m_pivotY, 8, olc::RED);
DrawLine(m_pivotX, m_pivotY, m_x, m_y, olc::BLACK);
if (!m_isStopped) {
FillCircle(m_x, m_y, 20, olc::BLACK);
} else {
FillCircle(m_x, m_y, 20, olc::DARK_GREY);
}
FillCircle(m_x, m_y, 20, olc::BLACK);
}
private:
bool m_isStopped = false;
@@ -90,7 +91,8 @@ private:
float m_gravity = 9.81;
float m_pMass = 5;
float m_pDamping = 0.9;
float m_pDamping = 0.999999999;
float m_timeAccumilator = 0.0f;
};
int main(int argc, char** argv) {

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C++/Simple pendulum/output.exe Normal file
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