92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
#Imports.
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import bpy
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import random
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# Size of each cube.
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size = 1
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# Setting the x, y, and z positions.
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x = y = z = size
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# Setting the number of cubes in each coordinate.
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xNum = 10
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yNum = 10
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zNum = 1
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#Function to clean the scene. This removes all of the objects, collections, materials, particles, textures, images, curves, meshes, actions, nodes, and worlds from the scene.
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def cleanScene():
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# Changes the mode to object mode if it is in Edit mode.
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if (bpy.context.active_object and bpy.context.active_object.mode == "EDIT"):
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bpy.ops.object.editmode_toggle()
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# Checks for hidden stuff and unhides them.
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for obj in bpy.data.objects:
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obj.hide_set(False)
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obj.hide_select = False
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obj.hide_viewport = False
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# Selects all the objects and then deletes.
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bpy.ops.object.select_all(action = "SELECT")
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bpy.ops.object.delete()
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# Function to spawn the "ground" by creating several cubes using a nested for loop.
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def spawnGround():
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# Iterate over each grid "cell" we want a cube at.
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for x in range(xNum):
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for y in range(yNum):
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for z in range(zNum):
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# Set the location.
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location = (x, y, z)
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# Add the cubes.
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bpy.ops.mesh.primitive_cube_add(size = size, location = location, scale = (size, size, size))
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# Set the newly created cube as the active object.
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activeObject = bpy.context.active_object
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# Create the material (if the material already exists, then skip)
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groundMaterial = createMaterial(0.027325, 0.450766, 0.080214, 1)
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assignMaterial(activeObject, groundMaterial)
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# Function to create the tree.
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def buildTree():
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# Getting a random position on top of the row of cubes.
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treeXPos = random.randint(0, xNum - 1)
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treeYPos = random.randint(0, yNum - 1)
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treeZPos = z
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treeTrunkHeight = random.randint(3, 5)
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# Add a single block as the location of the tree stump.
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# Loop through the treeheight to add a new cube as a chunk of the trunk. Add colour to the trunk.
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counter = 1
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while counter <= treeTrunkHeight:
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# Create the cube at that position.
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bpy.ops.mesh.primitive_cube_add(size = size, location = (treeXPos, treeYPos, treeZPos), scale = (size, size, size))
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# Save the active object
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activeObject = bpy.context.active_object
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# Increase the z position by 1 for the next iteration
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treeZPos += 1
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# Set the colour.
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treeTrunkColour = createMaterial(0.195465, 0.020193, 0.004988, 1)
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assignMaterial(activeObject, treeTrunkColour)
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# increase the counter
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counter += 1
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# Function to add a material to the selected object.
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def assignMaterial(object, material):
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if object and object.data:
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material.use_nodes = True
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object.data.materials.append(material)
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# Function to create a new material
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def createMaterial(red, green, blue, alpha):
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material = bpy.data.materials.new(name=f"Material_{len(bpy.data.materials)}")
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material.use_nodes = True
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material.node_tree.nodes["Principled BSDF"].inputs[0].default_value = (red, green, blue, alpha)
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return material
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# Calling the functions:
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cleanScene()
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spawnGround()
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buildTree()
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# Shows that the code ran.
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print("The code ran to the end successfully.") |