def __init__(self, anchor, size, text):
super().__init__(anchor)
self.text = text
self.size = size
self.label = Shapes.make_label(self.text, self.anchor, self.size, anchor_x='left', anchor_y='top')
def draw_force_lines(self):
""" Draws the a line between particles, thickness depending on the magnitude of the force """
labels = pyglet.graphics.Batch()
for fl in self.force_lines:
f = fl[1]
e = fl[0]
if f[0] == 0 and f[1] == 0:
return # If the force is 0, don't draw a line
t_mod = 7500
F = math.sqrt((f[0] * f[0]) + (f[1] * f[1]))
line = Shapes.make_line(self.pos, e.pos, thickness=F * t_mod)
line.draw(pyglet.gl.GL_LINES)
# Put label in batch
x = (max(e.pos[0], self.pos[0]) + min(e.pos[0], self.pos[0])) / 2.0
y = (max(e.pos[1], self.pos[1]) + min(e.pos[1], self.pos[1])) / 2.0
label_pos = (x, y)
force_text = str(f[0]) + " / " + str(f[1])
label = Shapes.make_label(force_text,
label_pos,
size=10,
batch=labels)
# Draw batch of labels
labels.draw()
def draw_debug_view(self):
# Draw circle indicating range
indices, verts, colors = Shapes.make_circle(center=self.pos,
radius=self.radius / 2.0)
# Overwrite degenerate first point
verts[1][0:1] = verts[1][-2:-1]
n_points = len(verts[1]) // 2
pyglet.gl.glLineWidth(1)
pyglet.graphics.draw(n_points, pyglet.gl.GL_LINE_LOOP, verts, colors)
# Draw label showing # neighbours
label_pos = (self.pos[0], self.pos[1] + 3 * self.size + 0.015)
n_label = Shapes.make_label(str(self._neighbourhood_size),
label_pos,
size=14)
n_label.draw()