Simple Breaking Waves in Maya

这篇博客介绍了如何在Maya中实现类似Houdini的breaking wave效果。通过将模型转化为柔体,并利用粒子控制柔体的坐标,以及结合HOT和柔体的blendshape为平面增加海浪细节,作者成功地在Maya环境中创建了动态的破浪效果。

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之前的博文中写了个使用Houdini来做breaking wave的方法,鉴于出了一个Maya商业教程,为了给Mayaer涨涨士气今天在Maya里也实现了下。

原理都是一样的,最初需要解决的问题就是如何动态改变每个point的坐标,Maya中没有vop sop这种东西,但是粒子可以任意的改变posPP,而柔体就是直接受粒子控制的模型,所以这个问题直接解决:把模型转换为柔体,然后给柔体的粒子shape新加表达式。

另一个问题就是如何给平面增加海浪细节,这个就更简单了,同时用HOT和我们的柔体给原始的平面做blendshape,这样这个平面就既有海浪又能卷起来。

制作方法

把一个平面转换为softbody,然后在creation里加如下表达式
if(pPlane1ParticleShape.particleId==0) {
	catch("windowPref -r rampWin");
	if(`window -exists rampWin`)
		deleteUI rampWin;
	window -title "Rollingwave Control" rampWin;
	columnLayout
Acoustoelastic guided waves refer to the phenomenon where elastic waves are generated due to the interaction between acoustic waves and the elastic properties of a material. In waveguides, such as pipes or bars, these waves can propagate along the length of the waveguide, allowing for non-destructive testing and monitoring of the material's properties. One important factor that affects the propagation of acoustoelastic waves is the prestress in the material. Prestress refers to the state of stress in a material before any external forces are applied. This can arise due to manufacturing processes, such as casting or rolling, or due to environmental factors, such as temperature changes. In waveguides with arbitrary prestress, the propagation of acoustoelastic waves can be modeled using mathematical equations that take into account the material's elastic properties, the waveguide's geometry, and the prestress state. These equations can be solved numerically to predict the behavior of the waves under different conditions. For example, if a waveguide experiences a sudden change in temperature, the prestress state may change, which can affect the propagation of acoustoelastic waves. By modeling the waveguide's behavior, engineers can predict how the waves will propagate and detect any changes in the material's properties. Overall, acoustoelastic guided waves in waveguides with arbitrary prestress have important applications in non-destructive testing and monitoring of materials in a variety of industries, including aerospace, automotive, and construction.
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