game3.py

import pygame
import inputbox
from pygame.locals import *
from animation3 import animation3
import errorScreen
from Button import Button
from constants import *
from const_colors import *
         
def startGame3(DISPLAYSURF):
			
	
	fpsClock = pygame.time.Clock()
	SCREEN_WIDTH = 600
	#DISPLAYSURF = pygame.display.set_mode((SCREEN_WIDTH,400), 0, 32)
	pygame.display.set_caption('Animation')
	

	#btn = Button('Input the values')
	
	clock = pygame.time.Clock()
	background=pygame.image.load('Images/game1.jpg')

	run = True
	
	while run:
		DISPLAYSURF.blit(background,(0,0))
		mouse = pygame.mouse.get_pos()
		for event in pygame.event.get():
			if event.type == pygame.QUIT:
				run = False
				pygame.quit()
				sys.exit()
			#elif event.type == pygame.MOUSEBUTTONDOWN:
			#	if btn.obj.collidepoint(mouse):
			countInputs=1;
			m1 = inputbox.ask(DISPLAYSURF, "Mass of object1, m1",countInputs)
			m1_ = float (m1)
			countInputs=countInputs+5;
			u1 = inputbox.ask(DISPLAYSURF, "InitialVelocity of 1,u1",countInputs)
			u1_ = float (u1)
			countInputs=countInputs+5;
			m2 = inputbox.ask(DISPLAYSURF, "Mass of object2, m2",countInputs)
			m2_ = float (m2)
			countInputs=countInputs+5;
			u2 = inputbox.ask(DISPLAYSURF, "InitialVelocity of 2,u2",countInputs)
			u2_ = float (u2)
			if(m1_<=0 or m2_<=0):
				errorScreen.errorScreen(DISPLAYSURF,"Invalid Mass entered")
			v1 = (((m1_ - m2_)*u1_) + (2*m2_*u2_))/(m1_+m2_)
			v1_ = round (v1,2)
			v2 = ((2*m1_*u1_) - (( m1_ - m2_)* u2_))/(m1_+m2_)
			v2_ = round (v2,2)
			background = pygame.image.load('Images/game3/background.png')
			DISPLAYSURF.blit(background,(0,0))
			font = pygame.font.Font(None, 20)
			text = font.render("Final Velocity of object A ="+str(v1_)+"metre/sec and Final Velocity of object B ="+str(v2_)+"metre/sec", 1, (10, 10, 10))
			animation3(DISPLAYSURF,'right',text,u1_,u2_,v1_,v2_)
			run = False				
		#btn.draw(DISPLAYSURF, mouse, (185,80,200,20), (225,83))
		pygame.display.update()
		clock.tick(60)