99 lines
2.9 KiB
Python
99 lines
2.9 KiB
Python
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import math
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import RingTrack
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import RingAction
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center = (0, 0)
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up = (0, 1)
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down = (0, -1)
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left = (-1, 0)
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right = (1, 0)
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ul = (-1, 1)
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ur = (1, 1)
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lr = (1, -1)
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ll = (-1, -1)
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def ringLerp(t, a, b):
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omT = 1.0 - t
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return (float(a[0]) * omT + float(b[0]) * t, float(a[1]) * omT + float(b[1]) * t)
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def ringClerp(t, a, b):
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return ringLerp(t * t * (3 - 2 * t), a, b)
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def getSquareRingActions():
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return ([RingAction.RingActionFunction(ringClerp, [ul, ur]),
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RingAction.RingActionFunction(ringClerp, [ur, lr]),
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RingAction.RingActionFunction(ringClerp, [lr, ll]),
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RingAction.RingActionFunction(ringClerp, [ll, ul])], [0.25,
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0.25,
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0.25,
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0.25])
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def getVerticalSlotActions(x):
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return ([RingAction.RingActionFunction(ringClerp, [(x, 1), (x, -1)]), RingAction.RingActionFunction(ringClerp, [(x, -1), (x, 1)])], [0.5, 0.5])
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def getHorizontalSlotActions(y):
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return ([RingAction.RingActionFunction(ringClerp, [(1, y), (-1, y)]), RingAction.RingActionFunction(ringClerp, [(-1, y), (1, y)])], [0.5, 0.5])
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def getCircleRingActions():
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def circlePos(t):
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return (math.sin(t * 2.0 * math.pi), math.cos(t * 2.0 * math.pi))
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return ([RingAction.RingActionFunction(circlePos, [])], [1.0])
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def getVerticalInfinityRingActions():
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def vertInfPos(t):
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return (0.5 * math.sin(2.0 * t * 2.0 * math.pi), math.cos(t * 2.0 * math.pi))
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return ([RingAction.RingActionFunction(vertInfPos, [])], [1.0])
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def getHorizontalInfinityRingActions():
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def horizInfPos(t):
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return (math.sin(t * 2.0 * math.pi), 0.5 * math.sin(2.0 * t * 2.0 * math.pi))
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return ([RingAction.RingActionFunction(horizInfPos, [])], [1.0])
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RingOffset = 0.4
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def getPlusUpRingActions():
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return ([RingAction.RingActionFunction(ringClerp, [(0, RingOffset), (0, 1)]), RingAction.RingActionFunction(ringClerp, [(0, 1), (0, RingOffset)])], [0.5, 0.5])
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def getPlusDownRingActions():
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return ([RingAction.RingActionFunction(ringClerp, [(0, -RingOffset), (0, -1)]), RingAction.RingActionFunction(ringClerp, [(0, -1), (0, -RingOffset)])], [0.5, 0.5])
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def getPlusRightRingActions():
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return ([RingAction.RingActionFunction(ringClerp, [(RingOffset, 0), (1, 0)]), RingAction.RingActionFunction(ringClerp, [(1, 0), (RingOffset, 0)])], [0.5, 0.5])
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def getPlusLeftRingActions():
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return ([RingAction.RingActionFunction(ringClerp, [(-RingOffset, 0), (-1, 0)]), RingAction.RingActionFunction(ringClerp, [(-1, 0), (-RingOffset, 0)])], [0.5, 0.5])
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def getHalfDomeRingActions():
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def halfDome(t):
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return (math.cos(t * math.pi), -math.sin(t * math.pi))
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x1 = -1.0
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x2 = -1.0 / 3.0
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x3 = 1.0 / 3.0
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x4 = 1.0
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return ([RingAction.RingActionFunction(ringClerp, [(x1, 0), (x2, 0)]),
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RingAction.RingActionFunction(ringClerp, [(x2, 0), (x3, 0)]),
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RingAction.RingActionFunction(ringClerp, [(x3, 0), (x4, 0)]),
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RingAction.RingActionFunction(halfDome, [])], [0.25,
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0.25,
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0.25,
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0.25])
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