def signedDistance(self, point):
xyVec = bdgmath.Vector2(point.x(), point.y())
left = bdgmath.Vector2(xyVec.mag(), abs(point.z()))
d = left.subVec2(self.hrVec)
inDist = min(max(d.x(), d.y()), 0.0)
outVec = bdgmath.Vector2(max(d.x(), 0.0), max(d.y(), 0.0))
return outVec.mag() + inDist
def drawString(self, dwg, s, pos, scale):
while s:
c = s[0]
s = s[1:]
charNum = self.charToCharNum(c)
if ((charNum >= 0) and (charNum < len(self.lines))):
xMin, yMin, xMax, yMax = self.getCharBounds(charNum)
charAdv = m.Vector2(-xMin * scale, 0)
self.drawChar(dwg, charNum, pos.addVec2(charAdv), scale)
advanceValue = xMax - xMin + self.extraCharSpacing
else:
advanceValue = 10 + self.extraCharSpacing
pos = pos.addVec2(m.Vector2(advanceValue, 0).mulScalar(scale))
def drawHersheyChar(dwg, s, pos, scale):
p = draw.Path(stroke_width=2, stroke='black', fill='none')
numVerts = int(s[5:8])
leftPos = decodeCoord(s[8])
rightPos = decodeCoord(s[9])
remainder = s[10:]
minX = 0
maxX = 0
minY = 0
maxY = 0
yFlip = True
moveFlag = True
for vi in range(0, numVerts - 1):
cx = s[10 + 2 * vi]
cy = s[11 + 2 * vi]
if cx + cy == " R":
moveFlag = True
continue
xVal = decodeCoord(cx)
yVal = decodeCoord(cy)
if yFlip:
yVal = -yVal
if vi == 0:
minX = xVal
maxX = xVal
minY = yVal
maxY = yVal
else:
minX = min(minX, xVal)
maxX = max(maxX, xVal)
minY = min(minY, yVal)
maxY = max(maxY, yVal)
pt = pos.addVec2(m.Vector2(xVal, yVal).mulScalar(scale))
if moveFlag:
p.M(*pt.components)
else:
p.L(*pt.components)
moveFlag = False
dwg.append(p)
return (minX * scale, minY * scale, maxX * scale, maxY * scale)
scene = scene.Scene()
scene.addLight(light.DirectionalLight(bdgmath.Vector3(-1, 0.5, -4), 0.8))
scene.addLight(light.AmbientLight(0.2))
floor = plane.ZPlane(0)
floor.squareSize = 2
scene.addObject(floor)
disk = roundedge.RoundEdge(0.1, cylinder.CappedCylinder(0.8, 3.8))
translatedDisk = transform.Translate3d(bdgmath.Vector3(0, 0, 1.5), disk)
#scene.addObject(translatedDisk)
negCyl1 = cylinder.ZCylinder(bdgmath.Vector2(1.5, 1.5), 1.1)
negCyl2 = cylinder.ZCylinder(bdgmath.Vector2(1.5, -1.5), 1.1)
negCyl3 = cylinder.ZCylinder(bdgmath.Vector2(-1.5, -1.5), 1.1)
negCyl4 = cylinder.ZCylinder(bdgmath.Vector2(-1.5, 1.5), 1.1)
w = translatedDisk
for c in [negCyl1, negCyl2, negCyl3, negCyl4]:
w = csg.Difference(w, c)
scene.addObject(w)
#cam.renderScene(scene, 640, 320, "raytest.png", 5)
#cam.renderScene(scene, 300, 240, "raytest.png", 5)
cam.renderScene(scene, 100, 80, "raytest.png", 5)
def __init__(self, height, radius):
self.height = height
self.radius = radius
self.color = (1, 0.5, 0)
self.material = None
self.hrVec = bdgmath.Vector2(self.radius, self.height)
def signedDistance(self, point):
vecToAxis2d = bdgmath.Vector2(point.x() - self.base.x(),
point.y() - self.base.y())
distToAxis = vecToAxis2d.mag()
return distToAxis - self.radius
def drawWrappedString(self, dwg, s, left, right, first, scale,
lineAdvance):
pos = m.Vector2(left, first)
for line in self.genLines(s, scale, right - left):
self.drawString(dwg, line, pos, scale)
pos = pos.addVec2(m.Vector2(0, -lineAdvance))