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Morph target animation, per-vertex animation, shape interpolation, shape keys, or blend shapes is a method of 3D computer animation used together with techniques such as skeletal animation. In a morph target animation, a "deformed" version of a mesh is stored as a series of vertex positions.
May 23, 2018 · 1. In short, they are actually very similar and just differ by 2D vs. 3D. Flash's animation uses keyframes, and blends control points between those keyframes. Morph target animation also uses keyframes, and blends the vertices between those frames. The primary difference is the data involved.
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What is morph target animation?
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This means that the current state of the mesh primitive is computed by taking the initial mesh primitive geometry and adding a linear combination of the morph target displacements, where the weights are the factors for the linear combination. The asset additionally contains an animation that affects the weights for the morph targets. The ...
Feb 21, 2018 · Morph target animation is accomplished by animating these influence values. The following example does this manually: https://threejs.org/examples/webgl_morphtargets_sphere.html. This example generates keyframes from a morph target sequence and plays the animation via three.js’s animation system. https://threejs.org/examples/webgl ...
The asset additionally contains an animation that affects the weights for the morph targets. The following table shows the key frames of the animated weights:
Starting with version 2.0, glTF supports the definition of morph targets for meshes. A morph target stores displacements or differences for certain mesh attributes. At runtime, these differences may be added to the original mesh, with different weights, in order to animate parts of the mesh.
Learn how to use instancing and morph target animations in three.js with this interactive example. See hundreds of animated cubes morphing into different shapes.
