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Canvas Nasal API: Difference between revisions
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→setRotation: http://flightgear.org/forums/viewtopic.php?f=71&t=18727#p174053
(→createTransform: http://flightgear.org/forums/viewtopic.php?f=71&t=18727#p174003) |
m (→setRotation: http://flightgear.org/forums/viewtopic.php?f=71&t=18727#p174053) |
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| Line 129: | Line 129: | ||
Rotates the element around the center. The rotation is set on the first transform. | Rotates the element around the center. The rotation is set on the first transform. | ||
setRotation really just combines a rotation with two translations -> translate(-center[0], -center[1]) * rotate * translate(center[0], center[1]) | |||
You can also have a look in the property browser and check the bounding box (/canvas/by-index/texture[i]/[group[j]+]/path[j]/bounding-box) and use its coordinates to determine the correct center of rotation. | |||
=== setScale === | === setScale === | ||
'''Parameters:''' (x, y) | '''Parameters:''' (x, y) | ||