codetower/ct.py

import importlib
import bge # Bibliothèque Blender Game Engine (UPBGE)
import math
import time
import sys
import os
import webbrowser
import threading # Multithreading
import xml.etree.ElementTree as ET # Creating/parsing XML file

import ct_map

###############################################################################
# ct.py
# @title: the CodeTower game
# @project: Blender-EduTech
# @lang: fr,en
# @authors: Philippe Roy <philippe.roy@ac-grenoble.fr>
# @copyright: Copyright (C) 2022 Philippe Roy
# @license: GNU GPL
# 
# Ce simulateur est un jeu du type tower defense où les tours sont à piloter par la programmation Python.
# This game is a tower defense coding game. The towers are driven with Python code.
# 
###############################################################################

# Import dynamique des fichiers Python élève et vagues
# sys.setrecursionlimit(10**5)  # Limite sur la récursivité (valeur par défaut : 1000) -> segfault de Blender 
importlib.invalidate_caches()
ct_wv = importlib.import_module('ct_waves') # waves script 
ct_cmd = importlib.import_module('ct_cmd') # user script (commands)

# Récupérer la scène UPBGE
scene = bge.logic.getCurrentScene()

# Récupérer le fichier de config
# print (os.getcwd())
ct_config = ET.parse('ct_config.xml')
ct_config_tree = ct_config.getroot()

# Couleurs

color_magenta = [0.800, 0.005, 0.315,1] # bouton non activable :  magenta
color_orange =  [0.799, 0.130, 0.063,1] # bouton activable :  orange
color_white =  [0.8, 0.8, 0.8, 1] # bouton focus : blanc
color_yellow =  [0.8, 0.619, 0.021, 1] # bouton activé :  jaune

color_text =  [0, 0, 0, 1] # Noir
color_text_red =  [0.799, 0.031, 0.038, 1]

color_cmd =  [0.8, 0.8, 0.8, 1] # blanc
color_cmd_hl =  [0.8, 0.619, 0.021, 1] # jaune
color_link =  [0.024, 0.006, 0.8, 1] # bleu
color_link_hl =  [0.8, 0.005, 0.315, 1] # majenta

# Constantes UPBGE

JUST_ACTIVATED = bge.logic.KX_INPUT_JUST_ACTIVATED
JUST_RELEASED = bge.logic.KX_INPUT_JUST_RELEASED
ACTIVATE = bge.logic.KX_INPUT_ACTIVE
# JUST_DEACTIVATED = bge.logic.KX_SENSOR_JUST_DEACTIVATED

###############################################################################    
# Tour
###############################################################################

# Commande pour afficher la position de la tour de construction
def cmd_tower_construct(cont):
    obj = cont.owner
    obj_Hl= scene.objects[obj.name+"-Hl"]
    if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive and scene.objects['Terrain']['manip_mode']==0:
        if scene.objects['Terrain']['construct_mode']==True:
            scene.objects['Terrain']['construct_mode']=False
            obj.worldScale=[1, 1, 1]
            obj.color = color_cmd
            obj_Hl.worldScale=[1, 1, 1]
            obj_Hl.color = color_cmd
            scene.objects['Tower_construc_mode'].setVisible(False,False)
            scene.objects['Tower_construc_mode'].color = color_cmd
            text_info ("")
        else:
            scene.objects['Terrain']['construct_mode']=True
            obj.worldScale=[1.25, 1.25, 1.25]
            obj.color = color_cmd_hl
            obj_Hl.worldScale=[1.25, 1.25, 1.25]
            obj_Hl.color = color_cmd_hl
            scene.objects['Tower_construc_mode'].setVisible(True,False)
            scene.objects['Tower_construc_mode'].color = color_cmd
            text_info ("Tower position : ")

###############################################################################    
# User interface : texte info et compteurs
###############################################################################

# Affichage sur la boite de texte sur 6 lignes
def text_info (text):
    if text=="":
        scene.objects['Text_info-1'].setVisible(False,False)
        scene.objects['Text_info-2'].setVisible(False,False)
    else:
        lines_txt=text.split("\n", 6)
        for i in range (len(lines_txt),6):
            lines_txt.append("") 
        scene.objects['Text_info-1'].setVisible(True,False)
        scene.objects['Text_info-2'].setVisible(True,False)
        scene.objects['Text_info-1']['Text']=lines_txt[0]+"\n"+lines_txt[1]+"\n"+lines_txt[2]
        scene.objects['Text_info-2']['Text']=lines_txt[3]+"\n"+lines_txt[4]+"\n"+lines_txt[5]

# Mise à jour de l'affichage des compteurs
def points_maj (cont):
    scene.objects['Lifes_text']['Text']=str(scene.objects['Points']['lifes'])+"/"+str(scene.objects['Points']['lifes_max'])
    scene.objects['Coins_text']['Text']=str(scene.objects['Points']['coins'])
    scene.objects['Level_text']['Text']=str(scene.objects['Points']['level'])+"/"+str(scene.objects['Points']['level_max'])
    scene.objects['Minions_text']['Text']=str(scene.objects['Points']['minions'])

    # Level trop élevé
    if scene.objects['Points']['level'] > scene.objects['Points']['level_max'] :
        scene.objects['Level_text'].color = color_text_red
    if scene.objects['Level_text'].color == color_text_red and scene.objects['Points']['level'] <= scene.objects['Points']['level_max']:
        scene.objects['Level_text'].color = color_text

    # Fin de la vague
    if scene.objects['Terrain']['thread_wave']==False: 
        if scene.objects['Points']['minions']==0:
            terrain_fin ()

###############################################################################    
# Terrain
###############################################################################

# Mouse over du terrain
def scn_terrain_mo(cont):

    # Affiche la position de la tour de construction
    if scene.objects['Terrain']['construct_mode']==True:
        hitObject = cont.sensors['MO'].hitObject
        hitPosition = cont.sensors['MO'].hitPosition
        if hitObject is not None :
            if round(hitPosition.x) >= scene.objects['Terrain']['taille'][0] and round(hitPosition.x) <= scene.objects['Terrain']['taille'][1] and round(hitPosition.y) >= scene.objects['Terrain']['taille'][2] and round(hitPosition.y) <= scene.objects['Terrain']['taille'][3] :
                if [round(hitPosition.x),round(hitPosition.y)] in scene.objects['Terrain']['scene_tile_noncontruct'] or  [round(hitPosition.x),round(hitPosition.y)] in scene.objects['Terrain']['scene_tile_tower']:
                    pass
                else:
                    scene.objects['Tower_construc_mode'].worldPosition.x=round(hitPosition.x)
                    scene.objects['Tower_construc_mode'].worldPosition.y=round(hitPosition.y)
                    scene.objects['Tower_construc_mode'].worldPosition.z=0.2
                    text_info ("Tower position : "+str(round(hitPosition.x))+","+str(round(hitPosition.y)))

    # Affiche les informations sur la tour
    else:
        hitPosition = cont.sensors['MO'].hitPosition
        if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive and scene.objects['Terrain']['manip_mode']==0:
            if  [round(hitPosition.x),round(hitPosition.y)] in scene.objects['Terrain']['scene_tile_tower']:
                for obj_i in scene.objects:
                    if "type_tower" in obj_i.getPropertyNames():
                        if round(hitPosition.x) == obj_i.worldPosition.x and round(hitPosition.y) == obj_i.worldPosition.y:
                            text =obj_i['tower_name'] + "\n" + "- level : "+ str(obj_i['lvl'])  + "\n" + "-  damage : "+ str(obj_i['damage'])  + "\n" + "-  speed : "+ str(round(obj_i['speed'],2))  + "\n" + "-  range : "+ str(obj_i['range'])
                            text_info (text)
                            break
            else:
                text_info ("")

# Initialisation lors du chargement du terrain
def terrain_init (cont):

    # Mise à zéro des compteurs
    scene.objects['Points']['lifes']=10
    scene.objects['Points']['lifes_max']=10
    scene.objects['Points']['coins']=0
    scene.objects['Points']['level']=0
    scene.objects['Points']['level_max']=1
    scene.objects['Points']['minions']=0
    scene.objects['Level_text'].color = color_text

    # Recherche les tuiles non constructibles (chemin)
    scene.objects['Terrain']['scene_tile_noncontruct'] = []
    for obj_i in scene.objects:
        if "tile_straight" in obj_i.name:
            scene.objects['Terrain']['scene_tile_noncontruct'].append([obj_i.worldPosition.x, obj_i.worldPosition.y])
            obj_i.collisionGroup=2
        if "tile_cornerRound" in obj_i.name:
            scene.objects['Terrain']['scene_tile_noncontruct'].append([obj_i.worldPosition.x, obj_i.worldPosition.y])
            obj_i.collisionGroup=2
        if "tile_hill" in obj_i.name:
            obj_i.collisionGroup=2

    # Init de la carte 1
    ct_map.map1_init()

# Mise en route et pause du cycle
def terrain_run (cont):
    if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive and scene.objects['Terrain']['manip_mode']==0:

        # Pause
        if scene.objects['Terrain']['run'] == True:
            scene.objects['Terrain']['run']=False
            scene.objects['Pause'].setVisible(False,False)
            scene.objects['Pause-Hl'].setVisible(False,False)
            scene.objects['Run-Hl'].setVisible(True,False)
            for obj_i in scene.objects: # Pause des Steerings
                if "type_minion" in obj_i.getPropertyNames():
                    obj_i.actuators['Steering'].velocity=0
        else:
            
            # Run
            scene.objects['Terrain']['run']=True
            scene.objects['Run'].setVisible(False,False)
            scene.objects['Run-Hl'].setVisible(False,False)
            scene.objects['Pause-Hl'].setVisible(True,False)

            # Démarrage de la map
            if scene.objects['Terrain']['thread_run']==False:
                for obj_i in scene.objects: # Supprimer les tours
                    if "type_tower" in obj_i.getPropertyNames():
                        obj_i.endObject()
                        scene.objects['Points']['level']= scene.objects['Points']['level'] - 1
                scene.objects['Terrain']['scene_tile_tower']= []
                scene.objects['Stop'].setVisible(True,False)
                scene.objects['Terrain']['thread_run']=True
                # importlib.reload(ct_cmd) # Lecture dynamique du script python (risque de Segfault de Blender)
                # importlib.reload(ct_vg) # Lecture dynamique du script python (risque de Segfault de Blender)
                ct_cmd.start() # Execution des commandes 
                ct_wv.start() # Lancement des vagues

            # Arrêt de la pause
            else:
                for obj_i in scene.objects: # Relance des Steerings
                    if "type_minion" in obj_i.getPropertyNames():
                        obj_i.actuators['Steering'].velocity=obj_i.components['Minion'].args['speed']*scene.objects['Terrain']['speed']

# Vitesse du jeu
def terrain_runspeed (cont):
    if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive and scene.objects['Terrain']['manip_mode']==0:
        obj = cont.owner
        speed_mode=[0.25, 0.5, 1,2,4,10]
        speed_mode_txt=["1/4", "1/2", "1", "2","4","10"]
        i=speed_mode.index(scene.objects['Terrain']['speed'])

        # Affichage
        if obj.name=="Speed_up" and i<5:
            scene.objects['Terrain']['speed']=speed_mode[i+1]
            scene.objects['Text_speed']['Text']=speed_mode_txt[i+1]
        if obj.name=="Speed_down" and i>0:
            scene.objects['Terrain']['speed']=speed_mode[i-1]
            scene.objects['Text_speed']['Text']=speed_mode_txt[i-1]

        # Maj des Nears  (Towers) et des Steerings (Minions)
        for obj_i in scene.objects:
            if "type_tower" in obj_i.getPropertyNames() and "Near" in obj_i.sensors :
                obj_i.sensors['Near'].skippedTicks =round(1/(obj_i.components['Tower'].args['speed']*scene.objects['Terrain']['speed']))
                print (obj_i.sensors['Near'].skippedTicks)
            if "type_minion" in obj_i.getPropertyNames():
                obj_i.actuators['Steering'].velocity=obj_i.components['Minion'].args['speed']*scene.objects['Terrain']['speed']

        # Maj du fichier de config (vitesse du jeu : data/config/speed)
        ct_config_tree[0][0].text=str(scene.objects['Terrain']['speed'])
        buffer_xml = ET.tostring(ct_config_tree)
        with open("ct_config.xml", "wb") as f:
            f.write(buffer_xml)

# Arrêt et réinitialisation du cycle
def terrain_stop (cont):
    if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive and scene.objects['Terrain']['manip_mode']==0:

       # Arrêt des threads utilisateurs
        scene.objects['Terrain']['run']=False
        scene.objects['Terrain']['thread_run']=False
        ct_cmd.stop() # Stop des commandes 
        ct_wv.stop() # Stop des vagues

        # Supprimer les enemis
        for obj_i in scene.objects:
            if "type_minion" in obj_i.getPropertyNames():
                obj_i.endObject()
        scene.objects['Points']['minions']=0
 
        # Commandes
        scene.objects['Pause'].setVisible(False,False)
        scene.objects['Pause-Hl'].setVisible(False,False)
        scene.objects['Run'].setVisible(True,False)
        scene.objects['Stop'].setVisible(False,False)
        scene.objects['Stop-Hl'].setVisible(False,False)

# Fin naturelle du cycle
def terrain_fin ():
    scene.objects['Terrain']['run']=False
    scene.objects['Terrain']['thread_run']=False
 
    # Commandes
    scene.objects['Pause'].setVisible(False,False)
    scene.objects['Pause-Hl'].setVisible(False,False)
    scene.objects['Run'].setVisible(True,False)
    scene.objects['Stop'].setVisible(False,False)
    scene.objects['Stop-Hl'].setVisible(False,False)

###############################################################################    
# Commandes 
###############################################################################
        
# Init
def cmd_init():
    # scene.objects['Terrain']['run']=False
    scene.objects['Run-Hl'].setVisible(False,False)
    scene.objects['Pause'].setVisible(False,False)
    scene.objects['Pause-Hl'].setVisible(False,False)
    scene.objects['Stop'].setVisible(False,False)
    scene.objects['Stop-Hl'].setVisible(False,False)
    scene.objects['Construc-Hl'].setVisible(False,False)

    scene.objects['Map_text'].setVisible(False,False)
    scene.objects['Tower_construc_mode'].setVisible(False,False)
    scene.objects['Text_info-1'].setVisible(False,False)
    scene.objects['Text_info-2'].setVisible(False,False)

     # scene.objects['Raz-vue-Hl'].setVisible(False,False)
    # scene.objects['Aide-cmd-Hl'].setVisible(False,False)

    # Récupérer la config (vitesse du jeu : data/config/speed)
    speed_mode=[0.25, 0.5, 1,2,4,10]
    speed_mode_txt=["1/4", "1/2", "1", "2","4","10"]
    scene.objects['Terrain']['speed']=float(ct_config_tree[0][0].text)
    i=speed_mode.index(scene.objects['Terrain']['speed'])
    scene.objects['Text_speed']['Text']=speed_mode_txt[i]

# Le highlight des commandes
def cmd_hl(cont):
    obj = cont.owner

    # Activation
    if cont.sensors['MO'].status == JUST_ACTIVATED and scene.objects['Terrain']['manip_mode']==0:
        if obj.name!="Run" and obj.name!="Pause" and obj.name!="Run-Hl" and obj.name!="Pause-Hl" and obj.name!="Stop" and obj.name!="Stop-Hl":
            obj.setVisible(False,True)
            scene.objects[obj.name+'-Hl'].setVisible(True,True)

        # Run et pause
        if obj.name=="Pause" or obj.name=="Run":
            if scene.objects['Terrain']['run'] == True:
                scene.objects['Pause'].setVisible(False,False)
                scene.objects['Pause-Hl'].setVisible(True,False)
            else:
                scene.objects['Run'].setVisible(False,False)
                scene.objects['Run-Hl'].setVisible(True,False)

        # Stop
        if obj.name=="Stop":
            if scene.objects['Terrain']['thread_run']==True:
                scene.objects['Stop'].setVisible(False,False)
                scene.objects['Stop-Hl'].setVisible(True,False)

    # Désactivation
    if cont.sensors['MO'].status == JUST_RELEASED and scene.objects['Terrain']['manip_mode']==0:
        if obj.name!="Run" and obj.name!="Pause" and obj.name!="Run-Hl" and obj.name!="Pause-Hl" and obj.name!="Stop" and obj.name!="Stop-Hl":
            scene.objects[obj.name+'-Hl'].setVisible(False,True)
            obj.setVisible(True,True)

        # Run et pause
        if obj.name=="Pause" or obj.name=="Run":
            if scene.objects['Terrain']['run'] == True:
                scene.objects['Pause-Hl'].setVisible(False,False)
                scene.objects['Pause'].setVisible(True,False)
            else:
                scene.objects['Run-Hl'].setVisible(False,False)
                scene.objects['Run'].setVisible(True,False)

        # Stop
        if obj.name=="Stop":
            if scene.objects['Terrain']['thread_run']==True:
                scene.objects['Stop-Hl'].setVisible(False,False)
                scene.objects['Stop'].setVisible(True,False)

###############################################################################    
# Gestion du clavier
###############################################################################

# Mode : Pan(1) avec Shift,  Zoom (2) avec Ctrl
def  mode(cont):
    obj = cont.owner
    keyboard = bge.logic.keyboard

    # Shift -> mode 1 : Pan (clic milieu)
    if JUST_ACTIVATED in keyboard.inputs[bge.events.LEFTSHIFTKEY].queue:
        obj['manip_mode']=1
    if JUST_ACTIVATED in keyboard.inputs[bge.events.RIGHTSHIFTKEY].queue:
        obj['manip_mode']=1

    # Ctrl -> mode 2 : Zoom (clic milieu)
    if JUST_ACTIVATED in keyboard.inputs[bge.events.LEFTCTRLKEY].queue:
        obj['manip_mode']=2
    if JUST_ACTIVATED in keyboard.inputs[bge.events.RIGHTCTRLKEY].queue:
        obj['manip_mode']=2

    # Pas de modificateur -> mode 0 : Pas de Orbit (mode 0) ici 
    if  JUST_RELEASED in keyboard.inputs[bge.events.LEFTSHIFTKEY].queue:
        obj['manip_mode']=0
    if  JUST_RELEASED in keyboard.inputs[bge.events.RIGHTSHIFTKEY].queue:
        obj['manip_mode']=0
    if  JUST_RELEASED in keyboard.inputs[bge.events.LEFTCTRLKEY].queue:
         obj['manip_mode']=0
    if  JUST_RELEASED in keyboard.inputs[bge.events.RIGHTCTRLKEY].queue:
         obj['manip_mode']=0

    # Touche Home -> Reset de la vue
    if JUST_ACTIVATED in keyboard.inputs[bge.events.HOMEKEY].queue:
        scene.objects['Camera'].worldPosition.x = scene.objects['Camera']['init_lx']
        scene.objects['Camera'].worldPosition.y = scene.objects['Camera']['init_ly']
        scene.objects['Camera'].worldPosition.z = scene.objects['Camera']['init_lz']
        applyRotationTo(scene.objects['Terrain'], 0, 0, 0)
 
    # Touche F5 -> Run et Pause 
    if JUST_ACTIVATED in keyboard.inputs[bge.events.F5KEY].queue:

        # Pause
        if scene.objects['Terrain']['run'] == True:
            scene.objects['Terrain']['run']=False
            scene.objects['Pause'].setVisible(False,False)
            scene.objects['Run'].setVisible(True,False)
            for obj_i in scene.objects: # Pause des Steerings
                if "type_minion" in obj_i.getPropertyNames():
                    obj_i.actuators['Steering'].velocity=0

        # Run
        else:
            scene.objects['Terrain']['run']=True
            scene.objects['Run'].setVisible(False,False)
            scene.objects['Pause'].setVisible(True,False)

            # Démarrage de la map
            if scene.objects['Terrain']['thread_run']==False:
                for obj_i in scene.objects: # Supprimer les tours
                    if "type_tower" in obj_i.getPropertyNames():
                        obj_i.endObject()
                        scene.objects['Points']['level']= scene.objects['Points']['level'] - 1
                scene.objects['Terrain']['scene_tile_tower']= []
                scene.objects['Stop'].setVisible(True,False)
                scene.objects['Terrain']['thread_run']=True
                # importlib.reload(ct_cmd) # Lecture dynamique du script python (risque de Segfault de Blender)
                # importlib.reload(ct_vg) # Lecture dynamique du script python (risque de Segfault de Blender)
                ct_cmd.start() # Execution des commandes 
                ct_wv.start() # Lancement des vagues

            # Arrêt de la pause
            else:
                for obj_i in scene.objects: # Relance des Steerings
                    if "type_minion" in obj_i.getPropertyNames():
                        obj_i.actuators['Steering'].velocity=obj_i.components['Minion'].args['speed']*scene.objects['Terrain']['speed']

 
    # Touche F6 -> Stop / Init 
    if JUST_ACTIVATED in keyboard.inputs[bge.events.F6KEY].queue:
        if scene.objects['Terrain']['thread_run']==True:

            # Arrêt des threads utilisateurs
            scene.objects['Terrain']['run']=False
            scene.objects['Terrain']['thread_run']=False
            ct_cmd.stop() # Stop des commandes 
            ct_wv.stop() # Stop des vagues

            # Supprimer les enemis
            for obj_i in scene.objects:
                if "type_minion" in obj_i.getPropertyNames():
                    obj_i.endObject()
            scene.objects['Points']['minions']=0
 
            # Commandes
            scene.objects['Pause'].setVisible(False,False)
            scene.objects['Run'].setVisible(True,False)
            scene.objects['Stop'].setVisible(False,False)
            scene.objects['Stop-Hl'].setVisible(False,False)

###############################################################################    
# Manipulation 3D du système
###############################################################################

# Mémorisation de la position et orientation initiales du modèle 3D et de la caméra
def  manip_init(cont):
    scene.objects['Camera']['init_lx']=scene.objects['Camera'].worldPosition.x
    scene.objects['Camera']['init_ly']=scene.objects['Camera'].worldPosition.y
    scene.objects['Camera']['init_lz']=scene.objects['Camera'].worldPosition.z
    scene.objects['Terrain']['init_lx']=scene.objects['Terrain'].worldPosition.x
    scene.objects['Terrain']['init_ly']=scene.objects['Terrain'].worldPosition.y
    scene.objects['Terrain']['init_lz']=scene.objects['Terrain'].worldPosition.z
    scene.objects['Terrain']['init_rx']=scene.objects['Terrain'].worldOrientation.to_euler().x
    scene.objects['Terrain']['init_ry']=scene.objects['Terrain'].worldOrientation.to_euler().y
    scene.objects['Terrain']['init_rz']=scene.objects['Terrain'].worldOrientation.to_euler().z

# Atteindre une orientation  (bas niveau)
def applyRotationTo(obj, rx=None, ry=None, rz=None, Local=True):
    rres=0.001 # resolution rotation

    # x
    if rx is not None:
        while (abs(rx-obj.worldOrientation.to_euler().x) > rres) :
            if obj.worldOrientation.to_euler().x-rx > rres:
                obj.applyRotation((-rres, 0, 0), Local)
            if rx-obj.worldOrientation.to_euler().x > rres:
                obj.applyRotation((rres, 0, 0), Local)
            # print ("delta x ",rx-obj.worldOrientation.to_euler().x)
        
    # y
    if ry is not None:
        while (abs(ry-obj.worldOrientation.to_euler().y) > rres) :
            if obj.worldOrientation.to_euler().y-ry > rres:
                obj.applyRotation((0, -rres, 0), Local)
            if ry-obj.worldOrientation.to_euler().y > rres:
                obj.applyRotation((0, rres, 0), Local)
            # print ("delta y ",ry-obj.worldOrientation.to_euler().y)

    # z
    if rz is not None:
        while (abs(rz-obj.worldOrientation.to_euler().z) > rres) :
            if obj.worldOrientation.to_euler().z-rz > rres:
                obj.applyRotation((0, 0, -rres), Local)
            if rz-obj.worldOrientation.to_euler().z > rres:
                obj.applyRotation((0, 0, rres), Local)
            # print ("delta z ",rz-obj.worldOrientation.to_euler().z)

# Reset de la manipulation de la vue
def  manip_reset(cont):
    if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive and scene.objects['Terrain']['manip_mode']==0:
        scene.objects['Camera'].worldPosition.x = scene.objects['Camera']['init_lx']
        scene.objects['Camera'].worldPosition.y = scene.objects['Camera']['init_ly']
        scene.objects['Camera'].worldPosition.z = scene.objects['Camera']['init_lz']
        applyRotationTo(scene.objects['Terrain'], 0, 0, 0)

# Position de  départ pour la manipulation de la vue
def  manip_start(cont):
    obj = cont.owner
    obj['click_x']=cont.sensors['ClickM'].position[0]
    obj['click_y']=cont.sensors['ClickM'].position[1]

# Cacher le cercle de la manipulation Orbit
def  manip_stop(cont):
    # scene.objects['Orbit'].setVisible(False,False)
    pass

# Manipulation du modèle ou de la caméra
def  manip(cont):
    obj = cont.owner
    sensibilite_orbit=0.00005 # Base : 0.0005
    sensibilite_pan=0.001 # Base : 0.005
    sensibilite_zoom=0.005 # Base : 0.01
    delta_x=cont.sensors['DownM'].position[0]-obj['click_x']
    delta_y=cont.sensors['DownM'].position[1]-obj['click_y']

    # Orbit  (1280 * 720 px) Pas de Orbit ici
    # if obj['manip_mode']==0:
    #     scene.objects['Orbit'].color=color_cmd
    #     scene.objects['Orbit'].setVisible(True,False)
    #     dist_orbit = math.sqrt(((1280/2)-obj['click_x'])**2+((720/2)-obj['click_y'])**2)
    #     if  dist_orbit<235 : # Orbit  sur x et z
    #         n=10
    #         pas_x=(delta_x*40*sensibilite_orbit)/n
    #         pas_y=(((1280/2)-cont.sensors['DownM'].position[0])+((720/2)-cont.sensors['DownM'].position[1]))*0.005
    #         pas_z=(delta_y*40*sensibilite_orbit)/n
    #         for i in range (n):
    #             bge.render.drawLine([scene.objects['Orbit'].worldPosition.x+pas_x*i, scene.objects['Orbit'].worldPosition.y+abs(pas_y*math.sin((3.14*i)/n)), scene.objects['Orbit'].worldPosition.z-pas_z*i],
    #                                 [scene.objects['Orbit'].worldPosition.x+pas_x*(i+1), scene.objects['Orbit'].worldPosition.y+abs(pas_y*math.sin((3.14*(i+1))/n)), scene.objects['Orbit'].worldPosition.z-pas_z*(i+1)],
    #                                 [0.8, 0.619, 0.021])
    #         scene.objects['Terrain'].applyRotation((delta_y*sensibilite_orbit, 0, delta_x*sensibilite_orbit), True)
    #     else: # Orbit  sur y
    #         scene.objects['Orbit'].color=color_cmd_hl
    #         if abs(delta_x) >= abs(delta_y):
    #             scene.objects['Terrain'].applyRotation((0, delta_x*sensibilite_orbit, 0), True)
    #         else:
    #             scene.objects['Terrain'].applyRotation((0, delta_y*sensibilite_orbit, 0), True)

    # Pan
    if obj['manip_mode']==1: # Shift
        scene.objects['Camera'].applyMovement((delta_x*-sensibilite_pan, delta_y*sensibilite_pan, 0), True)

    # Zoom
    if obj['manip_mode']==2: # Ctrl
        scene.objects['Camera'].applyMovement((0, 0, (delta_x+delta_y)*sensibilite_zoom), True)

# Manipulation du modèle ou de la caméra
def  manip_wheel(cont):
    obj = cont.owner
    sensibilite_wheel = 5 # Base : 20
    if cont.sensors['WheelUp'].positive:
        scene.objects['Camera'].applyMovement((0, 0, -sensibilite_wheel), True)
    if cont.sensors['WheelDown'].positive:
        scene.objects['Camera'].applyMovement((0, 0, sensibilite_wheel), True)

###############################################################################    
# Aide
###############################################################################

# # Ouvrir la page d'aide
# def aide(cont):
#     if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive :
#         # scene.replace('Scene-Aide') # Bug Eevee -> même scene mais camera différente
#         scene.active_camera=scene.objects['Aide-Camera']
#         scene.objects['Apropos-Lien_projet'].color= color_link
#         scene.objects['Apropos-Lien_maquette'].color= color_link
#         scene.objects['Apropos-Lien_a4'].color= color_link
#         scene.objects['Apropos-Lien_blender'].color= color_link
#         scene.objects['Apropos-Lien_upbge'].color= color_link
#         scene.objects['Apropos-Lien_cc'].color= color_link
#         scene.objects['Apropos-Lien_gpl'].color= color_link

# # Fermer la page d'aide
# def aide_fermer(cont):
#     if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive :
#         # bge.logic.addScene('Scene') # Bug Eevee -> même scene mais camera différente
#         scene.active_camera=scene.objects['Camera']

# # Aller sur les liens 
# def aide_apropos(cont):
#     if cont.sensors['Click'].status == JUST_ACTIVATED and cont.sensors['MO'].positive :
#         obj = cont.owner
#         if obj.name == "Apropos-Lien_maquette" :
#             webbrowser.open('https://www.a4.fr/wiki/')
#         if obj.name == "Apropos-Lien_projet" :
#             webbrowser.open('https://gitlab.com/blender-edutech')
#         if obj.name == "Apropos-Lien_a4" :
#             webbrowser.open('https://www.a4.fr')
#         if obj.name == "Apropos-Lien_blender" :
#             webbrowser.open('https://blender.org')
#         if obj.name == "Apropos-Lien_upbge" :
#             webbrowser.open('https://upbge.org')
#         if obj.name == "Apropos-Lien_cc" :
#             webbrowser.open('https://creativecommons.org/licenses/by-sa/4.0/')
#         if obj.name == "Apropos-Lien_gpl" :
#             webbrowser.open('https://www.gnu.org/licenses/gpl-3.0.html')

# # Le highlight des liens
# def aide_apropos_hl(cont):
#     if cont.sensors['MO'].status == JUST_ACTIVATED :
#         obj = cont.owner
#         obj.color = color_link_hl
#     if cont.sensors['MO'].status == JUST_RELEASED :
#         obj = cont.owner
#         obj.color = color_link