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This commit is contained in:
Mark Mine 2003-06-18 01:56:29 +00:00
parent eede24794a
commit e1738377d7
1 changed files with 11 additions and 1 deletions
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12
direct/src/directtools/DirectSelection.py
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@ -488,6 +488,9 @@ class SelectionQueue(CollisionHandlerQueue):
v.normalize() v.normalize()
return v.dot(n) >= 0 return v.dot(n) >= 0
def findNextCollisionEntry(self, skipFlags = SKIP_NONE):
return self.findCollisionEntry(skipFlags, self.index + 1)
def findCollisionEntry(self, skipFlags = SKIP_NONE, startIndex = 0 ): def findCollisionEntry(self, skipFlags = SKIP_NONE, startIndex = 0 ):
# Init self.index and self.entry # Init self.index and self.entry
self.setCurrentIndex(-1) self.setCurrentIndex(-1)
@ -658,10 +661,17 @@ class SelectionSphere(SelectionQueue):
# If dot product of collision point surface normal and # If dot product of collision point surface normal and
# ray from sphere origin to collision point is positive, we are # ray from sphere origin to collision point is positive, we are
# looking at the backface of the polygon # looking at the backface of the polygon
ip = entry.getFromIntersectionPoint()
c = entry.getFrom().getCenter()
n = entry.getFromSurfaceNormal()
v = Vec3(entry.getFromIntersectionPoint() - v = Vec3(entry.getFromIntersectionPoint() -
entry.getFrom().getCenter()) entry.getFrom().getCenter())
n = entry.getFromSurfaceNormal()
# Normalize and check angle between to vectors # Normalize and check angle between to vectors
print '(%0.2f, %0.2f, %0.2f), (%0.2f, %0.2f, %0.2f), (%0.2f, %0.2f, %0.2f), %0.2f' %(ip[0],ip[1],ip[2],c[0],c[1],c[2],n[0],n[1],n[2], v.dot(n))
if v.length() < 0.05:
# Points almost on top of each other,
# reject face (treat as backfacing)
return 1
v.normalize() v.normalize()
return v.dot(n) >= 0 return v.dot(n) >= 0