72 lines
2.2 KiB
Markdown
72 lines
2.2 KiB
Markdown
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* Mesh 场景中的网格对象 显示模型
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// 创建3角形
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protected createTriangle() {
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var geom: egret3d.Geometry = egret3d.GeometryUtil.createGeometry();
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var vb: number[] = [];
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var ib: number[] = [];
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// 0 1 2 坐标 3 4 5 6 颜色 7 8 uv
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vb.push(-50, -50, 0, 1, 0, 0, 1);
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vb.push(0, 50, 0, 0, 1, 0, 1);
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vb.push(50, -50, 0, 0, 0, 1, 1);
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// 加入3个顶点
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// 设置顶点索引 3个索引 1个3角形面
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ib.push(0, 1, 2);
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// 把数据填充进Geometry
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geom.setVerticesForIndex(0, egret3d.VertexFormat.VF_POSITION | egret3d.VertexFormat.VF_COLOR, vb, 3);
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geom.setVertexIndices(0, ib);
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// 使用Geometry 创建Mesh
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var mesh: egret3d.Mesh = new egret3d.Mesh(geom, new egret3d.ColorMaterial(0xffffff));
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// 设置双面渲染
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mesh.material.bothside = true;
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this.view.addChild3D(mesh);
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mesh.x = -200;
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}
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// 创建四边形
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protected createRcet() {
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//创建一个Geometry 顶点格式为 VertexFormat.VF_POSITION | VertexFormat.VF_NORMAL | VertexFormat.VF_TANGENT | VertexFormat.VF_COLOR | VertexFormat.VF_UV0 | VertexFormat.VF_UV1
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var geom: egret3d.Geometry = egret3d.GeometryUtil.createGeometry();
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var vb: number[] = [];
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var ib: number[] = [];
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// 0 1 2 坐标 3 4 5 6 颜色 7 8 uv
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vb.push(-50, 50, 0, 0, 1, 0, 1, 0, 0);
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vb.push(50, 50, 0, 0, 0, 1, 1, 1, 0);
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vb.push(-50, -50, 0, 1, 0, 0, 1, 0, 1);
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vb.push(50, -50, 0, 0, 0, 1, 1, 1, 1);
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// 加入4个顶点
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// 设置顶点索引 6个索引 2个3角形面
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ib.push(0, 2, 1, 2, 3, 1);
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// 把数据填充进Geometry
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geom.setVerticesForIndex(0, egret3d.VertexFormat.VF_POSITION | egret3d.VertexFormat.VF_COLOR | egret3d.VertexFormat.VF_UV0, vb, 4);
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geom.setVertexIndices(0, ib);
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var mesh: egret3d.Mesh = new egret3d.Mesh(geom, new egret3d.TextureMaterial());
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// 设置双面渲染
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//mesh.material.bothside = true;
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this.view.addChild3D(mesh);
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mesh.x = 200;
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}
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