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Boids: Renamed variables for readability #5

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Boids: Renamed variables for readability #5

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235864d
Renamed variables for readability
EzAubergine Dec 2, 2024
24c6392
set parameters for Customization
Crows12138 Dec 2, 2024
f678066
combine the redundant loop
Crows12138 Dec 2, 2024
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38 changes: 16 additions & 22 deletions boids/boids.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,28 +16,22 @@
boid_y_velocities=[random.uniform(-20.0,20.0) for x in range(50)]
boids=(boids_x,boids_y,boid_x_velocities,boid_y_velocities)

def update_boids(boids):
xs,ys,xvs,yvs=boids
def update_boids(boids, middle_param=0.01, nearby_away = 100, nearby_match_speed = 10000):
x_positions,y_positions,x_velocities,y_velocities=boids

# Fly towards the middle
for i in range(len(xs)):
for j in range(len(xs)):
xvs[i]=xvs[i]+(xs[j]-xs[i])*0.01/len(xs)
for i in range(len(xs)):
for j in range(len(xs)):
yvs[i]=yvs[i]+(ys[j]-ys[i])*0.01/len(xs)
# Fly away from nearby boids
for i in range(len(xs)):
for j in range(len(xs)):
if (xs[j]-xs[i])**2 + (ys[j]-ys[i])**2 < 100:
xvs[i]=xvs[i]+(xs[i]-xs[j])
yvs[i]=yvs[i]+(ys[i]-ys[j])
for i in x_positions:
for j in x_positions:
x_velocities[i]=x_velocities[i]+(x_positions[j]-x_positions[i])*middle_param/len(x_positions)
y_velocities[i]=y_velocities[i]+(y_positions[j]-y_positions[i])*middle_param/len(x_positions)
# Fly away from nearby boids
if (x_positions[j]-x_positions[i])**2 + (y_positions[j]-y_positions[i])**2 < nearby_away:
x_velocities[i]=x_velocities[i]+(x_positions[i]-x_positions[j])
y_velocities[i]=y_velocities[i]+(y_positions[i]-y_positions[j])
# Try to match speed with nearby boids
for i in range(len(xs)):
for j in range(len(xs)):
if (xs[j]-xs[i])**2 + (ys[j]-ys[i])**2 < 10000:
xvs[i]=xvs[i]+(xvs[j]-xvs[i])*0.125/len(xs)
yvs[i]=yvs[i]+(yvs[j]-yvs[i])*0.125/len(xs)
if (x_positions[j]-x_positions[i])**2 + (y_positions[j]-y_positions[i])**2 < nearby_match_speed:
x_velocities[i]=x_velocities[i]+(x_velocities[j]-x_velocities[i])*0.125/len(x_positions)
y_velocities[i]=y_velocities[i]+(y_velocities[j]-y_velocities[i])*0.125/len(x_positions)
# Move according to velocities
for i in range(len(xs)):
xs[i]=xs[i]+xvs[i]
ys[i]=ys[i]+yvs[i]
x_positions[i]=x_positions[i]+x_velocities[i]
y_positions[i]=y_positions[i]+y_velocities[i]