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@GoToLoop
Last active Aug 24, 2020
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Push/Pop Limit Workaround (Python Mode)
"""
* Push/Pop Limit Workaround (v1.0.5)
* GoToLoop (2020/Aug/22)
*
* Discourse.Processing.org/t/too-many-calls-to-pushmatrix/23411/9
* Gist.GitHub.com/GoToLoop/193d951ef13f212f09e2b2809efc4de0
"""
from processing.opengl import PGraphicsOpenGL
class MatrixFrameGL:
camField = PGraphicsOpenGL.getField('camera')
def __init__(self, pg = None):
self.modelview = self.modelviewInv = None
self.camera = self.cameraInv = None
pg and self.pushMatrix(pg)
def pushMatrix(self, pg):
self.modelview = pg.modelview.get()
self.modelviewInv = pg.modelviewInv.get()
self.camera = self.camField.get(pg).get()
self.cameraInv = pg.cameraInv.get()
return self
def popMatrix(self, pg):
pg.modelview.set(self.modelview)
pg.modelviewInv.set(self.modelviewInv)
self.camField.get(pg).set(self.camera)
pg.cameraInv.set(self.cameraInv)
return self
def clone(self):
frame = MatrixFrameGL()
frame.modelview = self.modelview.get()
frame.modelviewInv = self.modelviewInv.get()
frame.camera = self.camera.get()
frame.cameraInv = self.cameraInv.get()
return frame
"""
* Push/Pop Limit Workaround (v1.0.5)
* GoToLoop (2020/Aug/22)
*
* Discourse.Processing.org/t/too-many-calls-to-pushmatrix/23411/9
* Gist.GitHub.com/GoToLoop/193d951ef13f212f09e2b2809efc4de0
"""
from MatrixFrameGL import MatrixFrameGL
from collections import deque
BOXES, SIZE = 32, 6
MOV, ROT = SIZE << 2, TAU / BOXES
frames = deque()
def setup():
size(1200, 200, P3D)
noLoop()
stroke(0xffFFFF00) # yellow
def draw(BOXES2 = BOXES * 3 >> 1):
clear()
translate(0, height >> 2)
fill(0xffFF0000); # red
recursiveBoxes() # 32 boxes
translate(0, height >> 1)
fill(0xff0000FF); # blue
recursiveBoxes(BOXES2, pg = g, frames = frames) # 48 boxes
def recursiveBoxes(
qty = BOXES, size = SIZE, moveX = MOV, rot = ROT,
pg = this, frames = None):
if this.parseInt(qty) <= 0: return
pg.pushMatrix() if frames is None else frames.append(MatrixFrameGL(pg))
pg.translate(moveX, 0)
pg.rotateX(rot)
pg.box(size)
recursiveBoxes(qty - 1, size, moveX, rot, pg, frames)
pg.popMatrix() if frames is None else frames.pop().popMatrix(pg)
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