| 37 | |
| 38 | # render pendulum |
| 39 | def render(): |
| 40 | sim = pbd.Simulation.getCurrent() |
| 41 | model = sim.getModel() |
| 42 | |
| 43 | # render distance constraints |
| 44 | pd = model.getParticles() |
| 45 | glLineWidth(2.0) |
| 46 | glColor3f(1.0, 1.0, 1.0) |
| 47 | glBegin(GL_LINE_STRIP) |
| 48 | for i in range(numParticles): |
| 49 | glVertex3fv(pd.getPosition(i)) |
| 50 | glEnd() |
| 51 | |
| 52 | # render particles |
| 53 | glPointSize(8.0) |
| 54 | glColor3f(0.1, 0.7, 0.3) |
| 55 | glBegin(GL_POINTS) |
| 56 | for i in range(numParticles): |
| 57 | glVertex3fv(pd.getPosition(i)) |
| 58 | glEnd() |
| 59 | |
| 60 | # render time |
| 61 | glPushMatrix() |
| 62 | glLoadIdentity() |
| 63 | drawText([-0.95,0.9], "Time: {:.2f}".format(pbd.TimeManager.getCurrent().getTime())) |
| 64 | glPopMatrix() |
| 65 | |
| 66 | # Perform simulation steps |
| 67 | def timeStep(): |