猫史档案馆

注：本作品用到了panda3d模块，需要自行在终端下载。下载指令： pip install panda3d==1.10.7 （最新的版本请通过SDK Downloads | Panda3D查看）


代码部分：

 

from math import pi, sin, cos
from direct.showbase.ShowBase import ShowBase
from direct.showbase import DirectObject
from direct.task import Task
from direct.actor.Actor import Actor
from direct.interval.IntervalGlobal import Sequence
from panda3d.core import *
from direct.gui.DirectGui import *
from direct.gui.OnscreenText import OnscreenText
from direct.gui.OnscreenImage import OnscreenImage

 

class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)

# 禁用鼠标
self.disableMouse()

#隐藏鼠标
props = WindowProperties()
props.setCursorHidden(True)
base.win.requestProperties(props)

#设定摄像机初始位置
self.camera.setPos(0,0,100)

# 载入环境模型
self.environ = self.loader.loadModel("models/environment")

# 设置环境模型的父实例
self.environ.reparentTo(self.render)

# 对模型进行比例及位置调整
self.environ.setScale(0.25, 0.25, 0.25)
self.environ.setPos(-8, 42, 0)

# 通知任务管理器调用SpinCameraTask控制相机
self.taskMgr.add(self.spinCameraTask, "SpinCameraTask")

# 载入熊猫角色
self.pandaActor = Actor("models/panda-model",
{"walk": "models/panda-walk4"})
self.pandaActor.setScale(0.005, 0.005, 0.005)
self.pandaActor.reparentTo(self.render)


# 动画循环
self.pandaActor.loop("walk")

# 创建四幕
PosInterval1 = self.pandaActor.posInterval(13,
Point3(0, -10, 0),
startPos=Point3(0, 10, 0))
PosInterval2 = self.pandaActor.posInterval(13,
Point3(0, 10, 0),
startPos=Point3(0, -10, 0))
HprInterval1 = self.pandaActor.hprInterval(3,
Point3(180, 0, 0),
startHpr=Point3(0, 0, 0))
HprInterval2 = self.pandaActor.hprInterval(3,
Point3(0, 0, 0),
startHpr=Point3(180, 0, 0))

# 创建情节并运行四幕2
self.pandaPace = Sequence(PosInterval1,
HprInterval1,
PosInterval2,
HprInterval2,
name="pandaPace")
self.pandaPace.loop()

#创建HUD
global X1,X2,text,text2,L1,L2l,L2r
text=OnscreenText(fg=(255,255,0,255),pos=(-0.1,-0.1),scale=0.1,mayChange=True)
text2=OnscreenText(pos=(-0.7,0),scale=0.1,mayChange=True)
DirectFrame(frameColor=(255,255,0,255),frameSize=(-0.04,0.04,-0.002,0.002),pos=(0,0,0))
DirectFrame(frameColor=(255,255,0,255),frameSize=(-0.002,0.002,-0.04,0.04),pos=(0,0,0))
X1=DirectFrame(frameColor=(0,0,0,255),frameSize=(-0.04,0.04,-0.002,0.002),pos=(0,0,0))
X2=DirectFrame(frameColor=(0,0,0,255),frameSize=(-0.002,0.002,-0.04,0.04),pos=(0,0,0))
DirectFrame(frameColor=(255,255,0,255),frameSize=(-0.5,-0.51,0.5,-0.5),pos=(0,0,0))
L1=DirectFrame(frameColor=(255,255,0,255),frameSize=(0.2,0.11,0.005,-0.005),pos=(0,0,0))
L2l=DirectFrame(frameColor=(255,255,0,255),frameSize=(-0.1,-0.04,0.002,-0.002),pos=(0,0,0))
L2r=DirectFrame(frameColor=(255,255,0,255),frameSize=(0.04,0.1,0.002,-0.002),pos=(0,0,0))
DirectFrame(frameColor=(255,255,0,255),frameSize=(-0.1,0.1,0.002,-0.002),pos=(0,0,0.5))
DirectFrame(frameColor=(255,255,0,255),frameSize=(-0.1,0.1,0.002,-0.002),pos=(0,0,-0.5))

# 定义旋转相机
def spinCameraTask(self, task):
(mouse,size)=(base.win.getPointer(0),self.get_size())
(mx0,my0)=(size[0]-mouse.getX(),mouse.getY())
(mx,my,hpr)=(mx0/160,my0/160,self.camera.getHpr())
(rx,ry)=(mx-size[0]/320+hpr[0],my-size[1]/320+hpr[1])

pos=self.camera.getPos()
(lx,ly,lz)=(pos[0],pos[1],pos[2])
(angle,angle2)=(hpr[0],hpr[1])
distance=0.2

if angle<0:
while angle<0:
angle=angle+360
else:
angle=angle%360

if angle2<0:
while angle2<0:
angle2=angle2+360
else:
angle2=angle2%360

distance2=cos(angle2*pi/180)*distance

if angle%90==0:
if angle==0:
(x,y)=(0,distance2)
elif angle==90:
(x,y)=(distance2,0)
elif angle==180:
(x,y)=(0,-distance2)
else:
(x,y)=(-distance2,0)
else:
if angle<=45:
x=sin(angle*pi/180)*distance2
y=cos(angle*pi/180)*distance2
elif angle<90:
angle=90-angle
x=cos(angle*pi/180)*distance2
y=sin(angle*pi/180)*distance2
elif angle<=135:
angle=angle-90
x=cos(angle*pi/180)*distance2
y=-sin(angle*pi/180)*distance2
elif angle<180:
angle=180-angle
x=sin(angle*pi/180)*distance2
y=-cos(angle*pi/180)*distance2
elif angle<=225:
angle=angle-180
x=-sin(angle*pi/180)*distance2
y=-cos(angle*pi/180)*distance2
elif angle<270:
angle=270-angle
x=-cos(angle*pi/180)*distance2
y=-sin(angle*pi/180)*distance2
elif angle<315:
angle=angle-270
x=-cos(angle*pi/180)*distance2
y=sin(angle*pi/180)*distance2
else:
angle=360-angle
x=-sin(angle*pi/180)*distance2
y=cos(angle*pi/180)*distance2

if angle2%90==0:
if angle2==0 or angle2==90:
z=distance
else:
z=0
else:
if angle2<=45:
z=sin(angle2*pi/180)*distance
elif angle2<90:
angle2=90-angle2
z=cos(angle2*pi/180)*distance
elif angle2<=135:
angle2=angle2-90
z=cos(angle2*pi/180)*distance
elif angle2<180:
angle2=180-angle2
z=sin(angle2*pi/180)*distance
elif angle2<=225:
angle2=angle2-180
z=-sin(angle2*pi/180)*distance
elif angle2<270:
angle2=270-angle2
z=-cos(angle2*pi/180)*distance
elif angle2<315:
angle2=angle2-270
z=-cos(angle2*pi/180)*distance
else:
angle2=360-angle2
z=-sin(angle2*pi/180)*distance

if lz<-1:
self.closeWindow(self.win)
raise RuntimeError('You crash the grund!')
self.camera.setPos(-x+lx,y+ly,z+lz)
self.camera.setHpr(rx,ry,0)

if ry>=360:
while ry>=360:
ry=ry-360
elif ry<0:
while ry<0:
ry=ry+360
if ry//180==0:
ry=ry
elif ry//180==1:
ry=ry-360
L2l.setPos(0,0,ry/180)
L2r.setPos(0,0,ry/180)
b=size[1]/2
a=mouse.getX()/b-size[0]/size[1],0,1-mouse.getY()/b
X1.setPos(a)
X2.setPos(a)
text['text']=str(int(ry))
text2['text']=str(int(z+lz))
if z+lz>100:
L1.setPos(-0.7,0,0.5)
text2['pos']=(-0.7,0.48)
else:
L1.setPos(-0.7,0,(z+lz)/100-0.5)
text2['pos']=(-0.7,(z+lz)/100-0.52)
if z+lz<11:
text2['fg']=(255,0,0,255)
elif z+lz<31:
text2['fg']=(0,255,255,255)
else:
text2['fg']=(255,255,0,255)
return Task.cont

MyApp().run()

最终效果展示：