Add this script to a "Batch Script" editor (F10) and execute it with Script > Run.
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The script is for Y-based setups. If you have a Z-based axis setup you have to swap the Y and Z values:
| Code Block | ||
|---|---|---|
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import math
camera = scene.getCamera("SceneCamera01")
focusObject = scene.getObject("Cube01")
objectPosition = focusObject.getParameter("Position")
frame = scene.getCurrentFrame()
radius = 1.5
cycles = 3.0
verticalPosition = 0.5
orientation = 0
positionCache = []
indexCounter = 0
curvePosX |
...
= camera.getParameterCurve("Position.X")
curvePosY |
...
= camera.getParameterCurve("Position.Y")
curvePosZ |
...
= camera.getParameterCurve("Position.Z")
camera.setParameter("LookAt", objectPosition)
if (orientation == 0): sign = 1
else : sign = -1 |
...
simRange = scene.getMaxFrames() - scene.getMinFrame()
degPerFrame = (360.0 / simRange) * cycles
for i in range(0, simRange - 1):
radians = (sign * degPerFrame * math.pi / 180.0) * float(i)
xCoord |
...
= math.cos(radians) * radius + objectPosition.getX()
zCoord |
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= math.sin(radians) * radius + objectPosition.getZ() positionCache.append(Vector.new(xCoord, verticalPosition, zCoord)) for entry in positionCache: currentTime = float(indexCounter) / scene.getFps() keyX = Key.new() keyY = Key.new() keyZ = Key.new() keyX.time = currentTime keyX.value = entry.x keyX.type = KEY_TYPE_TCB curvePosX.addKey(keyX) |
...
keyY.time = currentTime
keyY.value = entry.y
keyY.type = KEY_TYPE_TCB
curvePosY.addKey(keyY) |
...
keyZ.time = currentTime keyZ.value = entry.z keyZ.type = KEY_TYPE_TCB curvePosZ.addKey(keyZ) indexCounter += 1 |