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我有矩形几何形状(宽×高尺寸)和质地(2×宽×高),我需要显示只有一半的是:如何随时更改纹理UVMapping?
...
var pageGeometry = new THREE.PlaneGeometry(pageWidth, pageHeight, 1, 1);
var texture = someTexture;
pageGeometry.faceVertexUvs[0] = [];
pageGeometry.faceVertexUvs[0].push([
new THREE.Vector2(0.5, 1),
new THREE.Vector2(0.5, 0),
new THREE.Vector2(1, 0),
new THREE.Vector2(1, 1)]);
var page = new THREE.Mesh(
pageGeometry,
new THREE.MeshLambertMaterial({
color: options.background,
map: texture
})
);
它的工作原理,但亚特有的旋转(90度)我需要更改纹理偏移量:
page.geometry.faceVertexUvs[0] = [];
page.geometry.faceVertexUvs[0].push([
new THREE.Vector2(0, 1),
new THREE.Vector2(0, 0),
new THREE.Vector2(0.5, 0),
new THREE.Vector2(0.5, 1)]);
page.material = new THREE.MeshLambertMaterial({
color: options.background,
map: textureNext
});
但它不起作用,偏移量保持不变。
谢谢你,它的工作原理! –