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draw.py
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draw.py
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import numpy as np
import cv2
class Draw:
def __init__(self, width, height):
self.height = height
self.width = width
self.clear_canvas()
def clear_canvas(self):
self.canvas = np.zeros((self.height, self.width, 3)).astype("uint8")
def get_particle_mask(self, particle, particle_mask):
x = int(particle.pos.x)
y = int(particle.pos.y)
cv2.circle(particle_mask, (x, y), particle.radius, (255, 255, 255), -1)
return particle_mask
def get_particle_tail(self, particle, particle_tail_mask):
x = int(particle.pos.x)
y = int(particle.pos.y)
cv2.polylines(particle_tail_mask, [np.array(particle.tail)], False, 255, 1)
return particle_tail_mask
def draw(self, particles):
for particle in particles:
x = int(particle.pos.x)
y = int(particle.pos.y)
cv2.circle(self.canvas, (x, y), particle.radius+2, particle.color, -1)
cv2.polylines(self.canvas, [np.array(particle.tail)], False, particle.color, 3)
self.canvas = cv2.GaussianBlur(self.canvas,(17,17),0)
for particle in particles:
x = int(particle.pos.x)
y = int(particle.pos.y)
cv2.circle(self.canvas, (x, y), particle.radius, particle.color, 1)
cv2.polylines(self.canvas, [np.array(particle.tail)], False, particle.color, 1)
def render(self):
cv2.imshow("canvas", self.canvas)
return cv2.waitKey(30)