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Small extensions for the mirror demo

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Add extra parameters for buffer size and clear color
Add sample code at the bottom to display usage of mirror demo

Closes: #195
This commit is contained in:
fireclawthefox 2017-11-11 19:11:42 +01:00 committed by rdb
parent feb36d9818
commit 936ef1953c
1 changed files with 26 additions and 4 deletions
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30
direct/src/showbase/MirrorDemo.py
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@ -24,7 +24,8 @@ __all__ = ['setupMirror', 'showFrustum']
from panda3d.core import *
from direct.task import Task
def setupMirror(name, width, height, rootCamera = None):
def setupMirror(name, width, height, rootCamera = None,
bufferSize = 256, clearColor = None):
# The return value is a NodePath that contains a rectangle that
# reflects render. You can reparent, reposition, and rotate it
# anywhere you like.
@ -49,9 +50,12 @@ def setupMirror(name, width, height, rootCamera = None):
# Now create an offscreen buffer for rendering the mirror's point
# of view. The parameters here control the resolution of the
# texture.
buffer = base.win.makeTextureBuffer(name, 256, 256)
#buffer.setClearColor(base.win.getClearColor())
buffer.setClearColor(VBase4(0, 0, 1, 1))
buffer = base.win.makeTextureBuffer(name, bufferSize, bufferSize)
if clearColor is None:
buffer.setClearColor(base.win.getClearColor())
#buffer.setClearColor(VBase4(0, 0, 1, 1))
else:
buffer.setClearColor(clearColor)
# Set up a display region on this buffer, and create a camera.
dr = buffer.makeDisplayRegion()
@ -132,3 +136,21 @@ def showFrustum(np):
geomNode.addGeom(lens.makeGeometry())
cameraNP.attachNewNode(geomNode)
if __name__ == "__main__":
from direct.showbase.ShowBase import ShowBase
base = ShowBase()
panda = loader.loadModel("panda")
panda.setH(180)
panda.setPos(0, 10, -2.5)
panda.setScale(0.5)
panda.reparentTo(render)
myMirror = setupMirror("mirror", 10, 10, bufferSize=1024, clearColor=(0, 0, 1, 1))
myMirror.setPos(0, 15, 2.5)
myMirror.setH(180)
# Uncomment this to show the frustum of the camera in the mirror
#showFrustum(render)
base.run()