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112 lines
3.3 KiB
112 lines
3.3 KiB
6 years ago
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print("How to use: paste into a Blender Text Editor panel, select object, Run Script")
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y_up = True
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enable_minetest = True
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import bpy
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#from mathutils import Matrix
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from mathutils import Vector
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#from mathutils import Euler
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ob1 = None
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try:
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ob1 = obj.select_get()
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except:
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# < 2.8
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ob1 = bpy.context.scene.objects.active
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#print(str(thisO))
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#extents1 = ob1.dimensions.copy()
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#if (extents1.x == 0.0) and (extents1.y == 0.0) and (extents1.z == 0.0) and (ob1.scale.x > 0.0):
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#extents1.x = extents1.x / 10.0
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#extents1.y = extents1.y / 10.0
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#extents1.z = extents1.z / 10.0
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loc1 = ob1.location
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#loc1 = ob1.matrix_world.translation
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#print(str(extents1))
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#see https://blender.stackexchange.com/questions/8459/get-blender-x-y-z-and-bounding-box-with-script
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#bbox_corners = [ob1.matrix_world * Vector(corner) for corner in ob1.bound_box]
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#use ground as bottom
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#if zMin < 0.0:
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# yMax -= yMin
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# yMin = 0.0
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#print(
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# " collisionbox = {{{:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}}}".format(xMin, yMin, zMin, xMax, yMax, zMax)
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#)
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#see https://blender.stackexchange.com/questions/6139/how-to-iterate-through-all-vertices-of-an-object-that-contains-multiple-meshes
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mesh = ob1.data
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#print("mesh:" + str(mesh))
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#print("hasattr(mesh, 'vertices'):" + str(hasattr(mesh, 'vertices')))]
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xMin = None
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if (mesh is not None) and (not hasattr(mesh, 'vertices')):
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print("--can't calculate collisionbox for skeleton")
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elif mesh is not None:
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xMin = None
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yMin = None
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zMin = None
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xMax = None
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yMax = None
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zMax = None
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for vert in mesh.vertices:
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# switch y and z for Minetest (y-up)
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if (xMin is None) or (vert.co.x < xMin):
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xMin = vert.co.x
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if (xMax is None) or (vert.co.x > xMax):
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xMax = vert.co.x
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if (yMin is None) or (vert.co.y < yMin):
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yMin = vert.co.y
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if (yMax is None) or (vert.co.y > yMax):
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yMax = vert.co.y
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if (zMin is None) or (vert.co.z < zMin):
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zMin = vert.co.z
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if (zMax is None) or (vert.co.z > zMax):
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zMax = vert.co.z
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#print(str(extents1))
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#print("--by vertices (raw):")
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#print(
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# " collisionbox = {{{:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}}}".format(xMin, yMin, zMin, xMax, yMax, zMax)
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#)
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xMax += ob1.location.x
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xMin += ob1.location.x
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yMax += ob1.location.y
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yMin += ob1.location.y
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zMax += ob1.location.z
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zMin += ob1.location.z
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print("--by vertices:")
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else:
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extents1 = ob1.scale.copy()
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# Object is an empty, so scale up for Minetest
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extents1.x = extents1.x * 2.0
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extents1.y = extents1.y * 2.0
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extents1.z = extents1.z * 2.0
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xMin = loc1.x - extents1.x / 2.0
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xMax = loc1.x + extents1.x / 2.0
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yMin = loc1.y - extents1.y / 2.0
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yMax = loc1.y + extents1.y / 2.0
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zMin = loc1.z - extents1.z / 2.0
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zMax = loc1.z + extents1.z / 2.0
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print("--using empty object:")
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#switch y and z for Minetest (y-up):
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if enable_minetest:
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xMin /= 10.0
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xMax /= 10.0
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yMin /= 10.0
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yMax /= 10.0
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zMin /= 10.0
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zMax /= 10.0
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if xMin is not None:
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if y_up:
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tmp = yMin
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yMin = zMin
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zMin = tmp
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tmp = yMax
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yMax = zMax
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zMax = tmp
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print(
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" collisionbox = {{{:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}}}".format(xMin, yMin, zMin, xMax, yMax, zMax)
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)
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