untitled1.py

# -*- coding: utf-8 -*-
"""
Created on Fri Feb 03 16:52:24 2012

@author: us997259
"""

#for directx window and functions
import direct.directbase.DirectStart
#for most bus3d stuff
from pandac.PandaModules import *
#for directx object support
from direct.showbase.DirectObject import DirectObject
#for tasks
from direct.task import Task
#for Actors
from direct.actor.Actor import Actor
#for Pandai
from panda3d.ai import *
#for Onscreen GUI
from direct.gui.OnscreenText import OnscreenText
 
# Globals
speed = 0.75
 
# Function to put instructions on the screen.
font = loader.loadFont("cmss12")
def addInstructions(pos, msg):
    return OnscreenText(text=msg, style=1, fg=(1,1,1,1), font = font,
                        pos=(-1.3, pos), align=TextNode.ALeft, scale = .05)
 
class World(DirectObject):
 
    def __init__(self):
        base.disableMouse()
        base.cam.setPosHpr(0,0,55,0,-90,0)
 
        self.loadModels()
        self.setAI()
        self.setMovement()
 
    def loadModels(self):
        # Seeker
        ralphStartPos = Vec3(-10, 0, 0)
        self.pursuer = Actor("resource/models/cone.egg")
        self.pursuer.reparentTo(render)
        self.pursuer.setScale(0.5)
        self.pursuer.setPos(ralphStartPos)
        # Target
        self.target = loader.loadModel("resource/models/cone.egg")
        self.target.setColor(1,0,0)
        self.target.setPos(5,0,0)
        self.target.setScale(1)
        self.target.reparentTo(render)
        # Obstacle 1
        self.obstacle1 = loader.loadModel("resource/models/cone.egg")
        self.obstacle1.setColor(0,0,1)
        self.obstacle1.setPos(2,0,0)
        self.obstacle1.setScale(1)
        self.obstacle1.reparentTo(render)
        # Obstacle 2
        self.obstacle2 = loader.loadModel("resource/models/cone.egg")
        self.obstacle2.setColor(0,0,1)
        self.obstacle2.setPos(5,5,0)
        self.obstacle2.setScale(1)
        self.obstacle2.reparentTo(render)        
 
#        self.pursuer.loop("run")
 
    def setAI(self):
        #Creating AI World
        self.AIworld = AIWorld(render)
 
        self.AIchar = AICharacter("pursuer",self.pursuer, 100, 0.05, 5)
        self.AIworld.addAiChar(self.AIchar)
        self.AIbehaviors = self.AIchar.getAiBehaviors()
 
        self.AIbehaviors.pursue(self.target)
 
        # Obstacle avoidance
        self.AIbehaviors.obstacleAvoidance(1.0)
        self.AIworld.addObstacle(self.obstacle1)
        self.AIworld.addObstacle(self.obstacle2)
 
        #AI World update        
        taskMgr.add(self.AIUpdate,"AIUpdate")
 
    #to update the AIWorld    
    def AIUpdate(self,task):
        self.AIworld.update()            
        return Task.cont
 
    #All the movement functions for the Target
    def setMovement(self):
        self.keyMap = {"left":0, "right":0, "up":0, "down":0}
        self.accept("arrow_left", self.setKey, ["left",1])
        self.accept("arrow_right", self.setKey, ["right",1])
        self.accept("arrow_up", self.setKey, ["up",1])
        self.accept("arrow_down", self.setKey, ["down",1])
        self.accept("arrow_left-up", self.setKey, ["left",0])
        self.accept("arrow_right-up", self.setKey, ["right",0])
        self.accept("arrow_up-up", self.setKey, ["up",0])
        self.accept("arrow_down-up", self.setKey, ["down",0])
        #movement task
        taskMgr.add(self.Mover,"Mover")
 
        addInstructions(0.9, "Use the Arrow keys to move the Red Target")
 
    def setKey(self, key, value):
        self.keyMap[key] = value
 
    def Mover(self,task):
        startPos = self.target.getPos()
        if (self.keyMap["left"]!=0):
                self.target.setPos(startPos + Point3(-speed,0,0))
        if (self.keyMap["right"]!=0):
                self.target.setPos(startPos + Point3(speed,0,0))
        if (self.keyMap["up"]!=0):
                self.target.setPos(startPos + Point3(0,speed,0))
        if (self.keyMap["down"]!=0):
                self.target.setPos(startPos + Point3(0,-speed,0))
 
        return Task.cont
 
w = World()
run()