Let's Learn Larry - How to have separate Torso and Hip sprites

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  • Опубліковано 7 вер 2024
  • When you bend Larry’s midsection, you can see that his body bends like a solid lump of soft foam rubber. However, you may decide that you would prefer a more sharp, angular bend in your characters body. You can achieve this by making your actors Torso and Hip separate sprites.
    There are two different ways you can rig an actors body. In the Larry model you have, his Hip and Torso are a single sprite. For the purposes of this exercise, I have created two stand-alone sprites as well.
    One of them is Larry’s Torso and the other is Larry’s Hip. These can move independently of each other
    .
    With Larry open in Composer Mode, select his Hip and open the Sprite Editor (S). You can see that the first sprite is called Normal, and this is the sprite we want to replace with our new sprite. Click Replace Current Element.
    Select Larry’s new Hip sprite and import it.
    When the new Hip sprite imports, it probably won’t be in the correct spot. Make sure Transform Sprite (2) is selected in the top menu and now you are free to move your new Hip sprite into position.
    As you can see, Larry no longer has an upper torso, but we’ll fix that in a moment. The important thing to do right now is to make sure that the Hip Pivot Point is in the right spot. In order to make the hip rotate properly, we want that Pivot Point in the centre of the Hip sprite.
    Select Transform Bone (3) and hold down the E key on your keyboard, and you can move just this bone into the position you want, using your mouse with the left button pressed.
    Now we need to import Larry's upper Torso. When you click on Larry’s Torso bone, in the Sprite Editor you will notice that all the sprite windows are empty. That’s because his Torso Bone Pivot Point does not yet have a sprite attached to it. So let’s fix that by selecting Add New Element as shown in the image below.
    Select the Torso sprite for Larry to import it into our actors rig.
    Don’t be alarmed when the Torso sprite imports WAY too big. We can simply rescale it to match the Hip sprite size. The Hip is 49.1x49.1, so make the Torso’s scale the same.
    You will notice that rescaling the Torso sprite helps, but the sprite is still not in the correct position. We can either drop Larry's Hips and Legs down lower to fit, or we can reduce the height of his Torso. For this exercise, let’s reduce the height of his Torso by changing it to be about (H) 40 and reposition it using Transform Sprite (2).
    Right now, Larrys’ Torso is going to rotate around that Torso Pivot Point, and if you test it by selecting Preview, it will demonstrate. But we want that Torso to rotate around his Hip sprite, with Transform Bone (3) selected, we just need to shift the position of the Torso Pivot point to be in the centre of the Hip.
    TIP: The Torso Pivot Point is sitting directly on top of the Hip Pivot point, making it impossible to grab the one you need using the Image View of your 2D Motion Key Editor. But fear not! Just grab it using the Hierarchy View list when you need it.
    Now, when you hit Preview and bend Larry using his Torso, you will see he now bends in a more angular fashion than he once did.
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