Hope someone can help me - I'm going nuts here.....
Have just come back to a game I was making using collision detection from the
Director-Online site (Charles Forman or GAry Rosensweig's I think). Analyses all
pixels of a colour type to make a very accurate mask.
Problem is, I have an error coming up where it was OK before:
Handler not found in object:
otherPoint = sprite(hitSprites[s]).mapStageToMember(myPoint)
This used to work fine. The code is on a ball sprite (bitmap), checking against a
bitmap background. It only occurs when you move the mouse cursor into the ball (so it
can be dragged). From what I can see, the value myPoint (see code below) suddenly
becomes VOID. I can't see why.
CODE:
<snip>
repeat with s = 1 to hitSprites.count
-- skip self
if sprite(hitSprites[s]) = me.spriteNum then next repeat
-- first check for a simple intersedt
if sprite hitSprites[s] intersects me.spriteNum then
-- loop through keypoints
repeat with i = 1 to pPoints.count
-- get stage location of a keypoint
myPoint = sprite(me.spriteNum).mapMemberToStage(pPoints[i])
-- figure out which pixel this corresponds to in other sprite
otherPoint = sprite(hitSprites[s]).mapStageToMember(myPoint)
--------------error
-- see if it corresponds to any point at all
if not voidP(otherPoint) then
-- get color of pixel there
pixelColor = sprite(hitSprites[s]).member.image.getPixel(otherPoint)
--put pixelcolor
-- if a non-white pixel, then there has been a collision
if pixelColor <> rgb(0,102,204) then return hitSprites[s]
end if
end repeat
end if
end repeat
</snip>
I can't seem to find the problem. Can someone help me or point me in the right
direction. I also don't see a 'handler' being referenced in the script error
line.......
:(
Leon
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