51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
from cmath import exp
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from constants import I, BLACK
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from gyro import MobiusInt, MobiusAdd, MobiusDist, cDot, Poincare2Klein
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from lines import cBetween
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from numba import jit, byte, double, prange, optional
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from numba.types import UniTuple
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from numba.typed import List as nlist
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from numba.experimental import jitclass
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from numpy import full
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drawnsegmentsig = [
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('dist', double),
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('color', UniTuple(byte, 3))
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]
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@jitclass(drawnsegmentsig)
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class DrawnSegment:
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def __init__(self,dist,color):
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self.dist = dist
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self.color = color
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@jit#(cache=True,parallel=True)
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def draw(level,gPlayer,fov,res,dscale):
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EMPTYDRAWN = DrawnSegment(0, BLACK)
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drawn = [EMPTYDRAWN] * res
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irot = exp(fov/res*I)
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iprot = gPlayer.cRot
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for i in range(res):
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m = None
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rot = irot**(i-(res/2)) * iprot
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for j in level:
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try: # Function "LineIntersection" faults from time to time
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cInt = MobiusInt(j.pointA,j.pointB,gPlayer.cPos,rot)
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except:
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continue
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if cDot(rot,MobiusAdd(cInt,-gPlayer.cPos)) > 0:
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continue
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rDist = MobiusDist(cInt,gPlayer.cPos) * dscale
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if j.isFinite and not cBetween(Poincare2Klein(j.pointA),Poincare2Klein(j.pointB),Poincare2Klein(cInt)):
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continue
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if m is None:
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m = DrawnSegment(rDist,j.color)
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continue
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if m.dist > rDist:
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m = DrawnSegment(rDist,j.color)
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drawn[i] = (m if m is not None else EMPTYDRAWN)
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return drawn
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