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subnode.py

+from utility import *
+import pygame,random
+from math import sqrt
+vec = pygame.math.Vector2
+from particle import *
+from particlenode import *
+
+class Subnode(Particle):
+    def __init__(self,main,x,y,c):
+        self.main = main
+        self.position = vec(x,y)
+        #random magnitude of initial velocity and angle
+        self.angle = random.randint(-180,180)
+        self.velMag = random.choice([300,600])
+        self.velocity = vec(self.velMag,0).rotate(self.angle)
+        self.acceleration = vec(0,0)
+        #particle count of how many particle this will emmit
+        self.particle_count = 100
+        self.colour = c
+        self.timeCounter = pygame.time.get_ticks()
+        self.lifespan = 400
+        self.size = 4
+
+    def draw(self):
+        pygame.draw.circle(self.main.screen,self.colour[0],(int(self.position.x),int(self.position.y)),self.size)
+    
+    def update(self):
+        self.update_position() #defined in Particle Class
+        #burst when lifespan is over
+        now = pygame.time.get_ticks()
+        if now - self.timeCounter > self.lifespan:
+            self.burst()
+
+    def burst(self):
+        #choose a random sound and play
+        temp = random.choice([1,2,3,4])
+        EXPLOSION_SOUNDS[temp].play()
+        #emmit particles at Burst phase
+        for i in range(self.particle_count):
+            t = ParticleNode(self.main,self.position.x,self.position.y,self.colour,nerfed=True)
+            self.main.ParticleContainer.append(t)
+        self.main.SubNodeContainer.remove(self)
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