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from OpenGL.GL import *
class Tracer:
def __init__(self, gas, iParticle):
self.gas = gas
self.iParticle = iParticle
self.trace = [ ]
def update(self):
position = self.gas.get_positions()[self.iParticle]
self.trace.append((position[0], position[1]))
def display(self, uniform):
glUniform3f(uniform['face_color'], 1., 0., 0.)
glLineWidth(2)
glBegin(GL_LINE_STRIP)
for v in self.trace:
glVertex(*v, 0.)
glEnd()
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