mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-24 04:02:40 -06:00
95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
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import math
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from direct.gui.DirectGui import DirectFrame
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from pandac.PandaModules import Point3
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class StretchingArrow(DirectFrame):
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notify = directNotify.newCategory('StretchingArrow')
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arrowMoving = 0
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arrowBegin = 1
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arrowComplete = 2
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body = None
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head = None
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def __init__(self, parent, useColor = 'blue', autoload = True):
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DirectFrame.__init__(self, parent)
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self.useColor = useColor
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self.endOffset = 1.5
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self.startOffset = 0.0
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self.shrinkRange = 7.0
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self.ratioDrawn = 0.0
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if autoload:
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self.load()
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self.stash()
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def load(self):
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model = loader.loadModel('phase_13/models/parties/stretchingArrow')
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model.setP(-90)
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self.body = model.find('**/arrowBody_' + self.useColor)
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self.body.wrtReparentTo(self)
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self.head = model.find('**/arrowHead_' + self.useColor)
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self.head.wrtReparentTo(self)
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model.removeNode()
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def unload(self):
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if self.body is not None:
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self.body.removeNode()
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self.body = None
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if self.head is not None:
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self.body.removeNode()
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self.body = None
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return
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def reset(self):
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self.ratioDrawn = 0.0
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def draw(self, fromPoint, toPoint, rotation = 0, animate = True):
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arrowlength = 2.72
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if self.body is None or self.head is None:
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return
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actualDifference = fromPoint - toPoint
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actualLength = actualDifference.length()
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oldRatio = self.ratioDrawn
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drawSpeed = 1.6
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drawSpeedMin = 0.6
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downTime = 1.0
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fadeOutTime = 0.5
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drawRate = max(drawSpeedMin, drawSpeed * actualLength / arrowlength)
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self.ratioDrawn += globalClock.getDt() / drawRate
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result = StretchingArrow.arrowMoving
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if self.ratioDrawn >= 1.0:
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result = StretchingArrow.arrowComplete
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self.ratioDrawn = -downTime
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if cmp(oldRatio, 0) != cmp(self.ratioDrawn, 0) and result != StretchingArrow.arrowComplete:
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result = StretchingArrow.arrowBegin
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if not animate:
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self.ratioDrawn = 1.0
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normal = Point3(actualDifference.getX(), actualDifference.getY(), actualDifference.getZ())
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normal.normalize()
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rotation = math.degrees(math.atan2(actualDifference.getY(), actualDifference.getX()))
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endPoint = toPoint + normal * self.endOffset
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startPoint = fromPoint - normal * self.startOffset
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newlength = (endPoint - startPoint).length() / arrowlength
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newScale = min(actualLength / self.shrinkRange, 1.0)
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self.head.setScale(newScale)
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ratio = max(0.0, self.ratioDrawn)
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if ratio == 0.0:
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ratio = 1.0
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newlength *= ratio
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if actualLength < self.endOffset:
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self.stash()
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else:
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self.unstash()
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self.body.setPos(startPoint)
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self.body.setH(rotation)
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self.head.setH(rotation - 90)
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self.body.setScale(newlength - 0.013 * newScale, newScale, newScale)
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vec = startPoint - endPoint
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vec *= ratio
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self.head.setPos(startPoint - vec)
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self.head.setZ(render, self.body.getZ(render) + 0.001)
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if self.ratioDrawn < 0.0:
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self.setAlphaScale(abs(self.ratioDrawn) - (downTime - fadeOutTime))
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else:
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self.setAlphaScale(1.0)
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return
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