问题描述
我对 ThreeJs 和 AmmoJs 的世界还很陌生,我不知道我的动作是完全错误还是遗漏了什么。
geometry.vertices = [
new Vector3( 0,0 ),new Vector3( externalSide,new Vector3( externalSide - deltaLato,depth ),new Vector3( deltaLato,new Vector3( 0,this.params.height,depth )
];
geometry.faces = [
new Face3( 0,1,2 ),new Face3( 0,2,3 ),new Face3( 6,5,4),new Face3( 7,6,new Face3(6,7,3),new Face3(2,new Face3(5,0),new Face3(4,];
for (let i = 0; i < this.segments; i++) {
variazioneRadiant += radiant;
verticesResults = this.createvertices(
originLatoMaggiore,originLatoMinore,variazioneRadiant,externalSide,internalSide,deltaLato,depth
);
geometry.vertices.push(...verticesResults.vertici);
originLatoMaggiore = verticesResults.origineLatoMaggiore;
originLatoMinore = verticesResults.origineLatoMinore;
value = 8 * (i + 1);
geometry.faces.push(
new Face3(geometry.faces[0].a + value,geometry.faces[0].b + value,geometry.faces[0].c + value),new Face3(geometry.faces[1].a + value,geometry.faces[1].b + value,geometry.faces[1].c + value),new Face3(geometry.faces[2].a + value,geometry.faces[2].b + value,geometry.faces[2].c + value),new Face3(geometry.faces[3].a + value,geometry.faces[3].b + value,geometry.faces[3].c + value),new Face3(geometry.faces[4].a + value,geometry.faces[4].b + value,geometry.faces[4].c + value),new Face3(geometry.faces[5].a + value,geometry.faces[5].b + value,geometry.faces[5].c + value),new Face3(geometry.faces[6].a + value,geometry.faces[6].b + value,geometry.faces[6].c + value),new Face3(geometry.faces[7].a + value,geometry.faces[7].b + value,geometry.faces[7].c + value),);
}
more CODE 并使用 ammoJS 使用 btConvexHullShape 和 btCompoundShape 创建物理
vertices.forEach(vertice => {
count++;
myshape.addPoint(new Ammo.btVector3(vertice.x,vertice.y,vertice.z));
if (count === 8) {
transform = new Ammo.btTransform();
transform.setIdentity();
transform.setorigin( new Ammo.btVector3( 0,0 ) );
shape.addChildShape(transform,myshape);
myshape = new Ammo.btConvexHullShape();
}
});
more cODE,但是出了点问题,我不知道如何使它起作用。
这是一个演示。
https://hollow-cylinder.web.app/home
有人可以帮我吗?
更新 (05/01/2021)
我像这样更新了 ammoJS 代码部分
const vec31 = new Ammo.btVector3(0,0);
const vec32 = new Ammo.btVector3(0,0);
const vec33 = new Ammo.btVector3(0,0);
const vertices = geometry.vertices;
geometry.faces.forEach(face => {
triangles.push([
{ x: vertices[face.a].x,y: vertices[face.a].y,z: vertices[face.a].z },{ x: vertices[face.b].x,y: vertices[face.b].y,z: vertices[face.b].z },{ x: vertices[face.c].x,y: vertices[face.c].y,z: vertices[face.c].z }
]);
});
const shape = new Ammo.btConvexHullShape();
triangles.forEach(triangle => {
vec31.setX(triangle[0].x);
vec31.setY(triangle[0].y);
vec31.setZ(triangle[0].z);
shape.addPoint(vec31,true);
vec32.setX(triangle[1].x);
vec32.setY(triangle[1].y);
vec32.setZ(triangle[1].z);
shape.addPoint(vec31,true);
vec33.setX(triangle[2].x);
vec33.setY(triangle[2].y);
vec33.setZ(triangle[2].z);
shape.addPoint(vec31,true);
});
我从这个 question 找到了这个代码,但是这个解决方案似乎不太好用,气缸没有站立就掉到一侧。
更新 (11/01/2021)
感谢 yannick formthreeJS 论坛,我已经解决了这个问题。
此thread中的更多信息
解决方法
暂无找到可以解决该程序问题的有效方法,小编努力寻找整理中!
如果你已经找到好的解决方法,欢迎将解决方案带上本链接一起发送给小编。
小编邮箱:dio#foxmail.com (将#修改为@)