3d objects in cocos crearoe
function createMesh (data, color) {
let gfx = cc.gfx;
let vfmt = new gfx.VertexFormat([
{ name: gfx.ATTR_POSITION, type: gfx.ATTR_TYPE_FLOAT32, num: 3 },
{ name: gfx.ATTR_NORMAL, type: gfx.ATTR_TYPE_FLOAT32, num: 3 },
{ name: gfx.ATTR_COLOR, type: gfx.ATTR_TYPE_UINT8, num: 4, normalize: true },
]);
let colors = [];
for (let i = 0; i < data.positions.length; i++) {
colors.push(color);
}
let mesh = new cc.Mesh();
mesh.init(vfmt, data.positions.length);
mesh.setVertices(gfx.ATTR_POSITION, data.positions);
mesh.setVertices(gfx.ATTR_NORMAL, data.normals);
mesh.setVertices(gfx.ATTR_COLOR, colors);
mesh.setIndices(data.indices);
mesh.setBoundingBox(data.minPos, data.maxPos);
return mesh;
}
// Create box vertex data
let data = cc.primitive.box(100, 100, 100);
// Create mesh base on vertex data
let mesh = createMesh(data, cc.color(100, 100, 100));
// Set the created mesh to the Mesh Renderer
let renderer = this.getComponent(cc.MeshRenderer);
renderer.mesh = mesh;