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https://gitee.com/ruanwujing/green-pack-cocos
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圆角矩形
This commit is contained in:
ruanwujing
248
assets/scripts/components/GPRoundBoxAssembler.ts
Normal file
248
assets/scripts/components/GPRoundBoxAssembler.ts
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import { IAssembler, IRenderData, RenderData, dynamicAtlasManager } from "cc";
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import { GPRoundBoxSprite } from "./GPRoundBoxSprite";
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export const GPRoundBoxAssembler: IAssembler = {
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// 根据圆角segments参数，构造网格的顶点索引列表
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GetIndexBuffer(sprite:GPRoundBoxSprite) {
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let indexBuffer = [
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0, 1, 2, 2, 3, 0,
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4, 5, 6, 6, 7, 4,
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8, 9, 10, 10, 11, 8
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]
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// 为四个角的扇形push进索引值
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let index = 12
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let fanIndexBuild = function(center, start, end) {
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let last = start;
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for (let i = 0; i < sprite.segments - 1; i++) {
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// 左上角 p2为扇形圆心，p1/p5为两个边界
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let cur = index;
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index++;
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indexBuffer.push(center, last, cur);
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last = cur;
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}
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indexBuffer.push(center, last, end)
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}
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if (sprite.leftBottom)
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fanIndexBuild(3, 4, 0);
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if (sprite.leftTop)
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fanIndexBuild(2, 1, 5);
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if (sprite.rightTop)
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fanIndexBuild(9, 6, 10);
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if (sprite.rightBottom)
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fanIndexBuild(8, 11, 7);
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return indexBuffer
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},
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createData (sprite: GPRoundBoxSprite) {
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const renderData = sprite.requestRenderData();
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let corner = 0;
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corner += sprite.leftBottom ? 1: 0;
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corner += sprite.leftTop ? 1: 0;
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corner += sprite.rightTop ? 1: 0;
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corner += sprite.rightBottom ? 1: 0;
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let vNum = 12 + (sprite.segments - 1) * corner;
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renderData.dataLength = vNum;
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renderData.resize(vNum, 18 + sprite.segments * 3 * corner);
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let indexBuffer = GPRoundBoxAssembler.GetIndexBuffer(sprite);
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renderData.chunk.setIndexBuffer(indexBuffer);
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return renderData;
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},
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// 照抄simple的
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updateRenderData (sprite: GPRoundBoxSprite) {
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const frame = sprite.spriteFrame;
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dynamicAtlasManager.packToDynamicAtlas(sprite, frame);
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this.updateUVs(sprite);// dirty need
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//this.updateColor(sprite);// dirty need
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const renderData = sprite.renderData;
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if (renderData && frame) {
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if (renderData.vertDirty) {
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this.updateVertexData(sprite);
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}
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renderData.updateRenderData(sprite, frame);
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}
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},
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// 局部坐标转世界坐标 照抄的，不用改
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updateWorldVerts (sprite: GPRoundBoxSprite, chunk: { vb: any; }) {
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const renderData = sprite.renderData!;
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const vData = chunk.vb;
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const dataList: IRenderData[] = renderData.data;
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const node = sprite.node;
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const m = node.worldMatrix;
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const stride = renderData.floatStride;
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let offset = 0;
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const length = dataList.length;
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for (let i = 0; i < length; i++) {
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const curData = dataList[i];
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const x = curData.x;
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const y = curData.y;
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let rhw = m.m03 * x + m.m07 * y + m.m15;
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rhw = rhw ? 1 / rhw : 1;
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offset = i * stride;
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vData[offset + 0] = (m.m00 * x + m.m04 * y + m.m12) * rhw;
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vData[offset + 1] = (m.m01 * x + m.m05 * y + m.m13) * rhw;
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vData[offset + 2] = (m.m02 * x + m.m06 * y + m.m14) * rhw;
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}
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},
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// 每帧调用的，把数据和到一整个meshbuffer里
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fillBuffers (sprite: GPRoundBoxSprite) {
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if (sprite === null) {
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return;
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}
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const renderData = sprite.renderData!;
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const chunk = renderData.chunk;
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if (sprite.node.hasChangedFlags || renderData.vertDirty) {
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// const vb = chunk.vertexAccessor.getVertexBuffer(chunk.bufferId);
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this.updateWorldVerts(sprite, chunk);
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renderData.vertDirty = false;
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}
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// quick version
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const bid = chunk.bufferId;
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const vidOrigin = chunk.vertexOffset;
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const meshBuffer = chunk.meshBuffer;
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const ib = chunk.meshBuffer.iData;
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let indexOffset = meshBuffer.indexOffset;
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const vid = vidOrigin;
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// 沿着当前这个位置往后将我们这个对象的index放进去
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let indexBuffer = GPRoundBoxAssembler.GetIndexBuffer(sprite);
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for (let i = 0; i < renderData.indexCount; i++) {
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ib[indexOffset++] = vid + indexBuffer[i];
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}
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meshBuffer.indexOffset += renderData.indexCount;
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},
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// 计算每个顶点相对于sprite坐标的位置
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updateVertexData (sprite: GPRoundBoxSprite) {
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const renderData: RenderData | null = sprite.renderData;
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if (!renderData) {
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return;
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}
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const uiTrans = sprite.node._uiProps.uiTransformComp!;
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const dataList: IRenderData[] = renderData.data;
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const cw = uiTrans.width;
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const ch = uiTrans.height;
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const appX = uiTrans.anchorX * cw;
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const appY = uiTrans.anchorY * ch;
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const left = 0 - appX;
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const right = cw - appX;
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const top = ch - appY;
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const bottom = 0 - appY;
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const left_r = left + sprite.radius;
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const bottom_r = bottom + sprite.radius;
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const top_r = top - sprite.radius;
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const right_r = right - sprite.radius;
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// 三个矩形的顶点
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dataList[0].x = left;
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dataList[0].y = sprite.leftBottom ? bottom_r: bottom;
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dataList[1].x = left;
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dataList[1].y = sprite.leftTop ? top_r: top;
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dataList[2].x = left_r;
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dataList[2].y = sprite.leftTop ? top_r: top;
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dataList[3].x = left_r;
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dataList[3].y = sprite.leftBottom ? bottom_r: bottom;
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dataList[4].x = left_r;
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dataList[4].y = bottom;
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dataList[5].x = left_r;
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dataList[5].y = top;
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dataList[6].x = right_r;
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dataList[6].y = top;
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dataList[7].x = right_r;
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dataList[7].y = bottom;
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dataList[8].x = right_r;
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dataList[8].y = sprite.rightBottom ? bottom_r: bottom;
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dataList[9].x = right_r;
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dataList[9].y = sprite.rightTop ? top_r: top;
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dataList[10].x = right;
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dataList[10].y = sprite.rightTop ? top_r: top;
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dataList[11].x = right;
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dataList[11].y = sprite.rightBottom ? bottom_r: bottom;
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// 扇形圆角的顶点
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let index = 12;
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let fanPosBuild = function(center, startAngle) {
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for (let i = 1; i < sprite.segments; i++) {
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// 我这里顶点都是按顺时针分配的，所以角度要从开始角度减
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// 每个扇形都是90度
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let angle = startAngle * Math.PI / 180 - i / sprite.segments * 0.5 * Math.PI;
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dataList[index].x = center.x + Math.cos(angle) * sprite.radius;
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dataList[index].y = center.y + Math.sin(angle) * sprite.radius;
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index++;
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}
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}
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if (sprite.leftBottom)
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fanPosBuild(dataList[3], 270);
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if (sprite.leftTop)
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fanPosBuild(dataList[2], 180);
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if (sprite.rightTop)
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fanPosBuild(dataList[9], 90);
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if (sprite.rightBottom)
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fanPosBuild(dataList[8], 0);
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renderData.vertDirty = true;
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},
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// 更新计算uv
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updateUVs (sprite: GPRoundBoxSprite) {
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if (!sprite.spriteFrame) return;
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const renderData = sprite.renderData!;
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const vData = renderData.chunk.vb;
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const uv = sprite.spriteFrame.uv;
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// 这里我打印了一下uv的值，第一个看上去是左上角，但其实，opengl端的纹理存在上下颠倒问题，所以这里其实还是左下角
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// 左下，右下，左上，右上
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const uv_l = uv[0];
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const uv_b = uv[1];
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const uv_r = uv[2];
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const uv_t = uv[5];
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const uv_w = Math.abs(uv_r - uv_l);
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const uv_h = uv_t - uv_b;
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const uiTrans = sprite.node._uiProps.uiTransformComp!;
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const dataList: IRenderData[] = renderData.data;
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const cw = uiTrans.width;
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const ch = uiTrans.height;
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const appX = uiTrans.anchorX * cw;
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const appY = uiTrans.anchorY * ch;
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// 用相对坐标，计算uv
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for (let i = 0; i < renderData.dataLength; i++) {
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vData[i * renderData.floatStride + 3] = uv_l + (dataList[i].x + appX) / cw * uv_w;
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vData[i * renderData.floatStride + 4] = uv_b + (dataList[i].y + appY) / ch * uv_h;
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}
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},
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// 照抄，不用改
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updateColor (sprite: GPRoundBoxSprite) {
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const renderData = sprite.renderData!;
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const vData = renderData.chunk.vb;
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let colorOffset = 5;
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const color = sprite.color;
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const colorR = color.r / 255;
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const colorG = color.g / 255;
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const colorB = color.b / 255;
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const colorA = color.a / 255;
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for (let i = 0; i < renderData.dataLength; i++, colorOffset += renderData.floatStride) {
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vData[colorOffset] = colorR;
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vData[colorOffset + 1] = colorG;
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vData[colorOffset + 2] = colorB;
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vData[colorOffset + 3] = colorA;
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}
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},
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};
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9
assets/scripts/components/GPRoundBoxAssembler.ts.meta
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9
assets/scripts/components/GPRoundBoxAssembler.ts.meta
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@@ -0,0 +1,9 @@
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{
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"ver": "4.0.23",
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"importer": "typescript",
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"imported": true,
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"uuid": "34dcec5f-d278-44e1-b921-ad33d4776917",
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"files": [],
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"subMetas": {},
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"userData": {}
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}
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336
assets/scripts/components/GPRoundBoxSprite.ts
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336
assets/scripts/components/GPRoundBoxSprite.ts
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import { _decorator, ccenum, CCFloat, CCInteger, cclegacy, Component, InstanceMaterialType, Material, Node, NodeEventType, RenderTexture, serializeTag, Sprite, SpriteAtlas, SpriteFrame, UIRenderer, Vec2} from 'cc';
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import { BUILD, EDITOR } from 'cc/env';
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import { GPRoundBoxAssembler } from './GPRoundBoxAssembler';
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const { ccclass, property,type} = _decorator;
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enum EventType {
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SPRITE_FRAME_CHANGED = 'spriteframe-changed',
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}
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@ccclass('GPRoundBoxSprite')
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export class GPRoundBoxSprite extends UIRenderer {
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// 尺寸模式，可以看枚举原本定义的地方有注释说明
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@property({serializable:true})
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protected _sizeMode = Sprite.SizeMode.TRIMMED;
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@type(Sprite.SizeMode)
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get sizeMode () {
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return this._sizeMode;
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}
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set sizeMode (value) {
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if (this._sizeMode === value) {
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return;
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}
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this._sizeMode = value;
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if (value !== Sprite.SizeMode.CUSTOM) {
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this._applySpriteSize();
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}
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}
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// 图集
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@property({serializable:true})
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protected _atlas: SpriteAtlas | null = null;
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@type(SpriteAtlas)
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get spriteAtlas () {
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return this._atlas;
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}
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set spriteAtlas (value) {
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if (this._atlas === value) {
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return;
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}
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this._atlas = value;
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}
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// 圆角用三角形模拟扇形的线段数量，越大，则越圆滑
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@property({type:CCInteger, serializable:true})
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_segments:number = 10
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@property({type:CCInteger, serializable:true, min:1})
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public get segments() {
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return this._segments;
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}
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public set segments(segments) {
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this._segments = segments;
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this._renderData = null;
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this._flushAssembler();
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}
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// 圆角半径
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@property({type:CCFloat, serializable:true})
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_radius:number = 20
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@property({type:CCFloat, serializable:true, min:0})
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public get radius() {
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return this._radius
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}
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public set radius(radius) {
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this._radius = radius;
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this._updateUVs();
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this.markForUpdateRenderData(true)
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}
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@property({serializable:true})
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protected _spriteFrame: SpriteFrame | null = null;
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@type(SpriteFrame)
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get spriteFrame () {
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return this._spriteFrame;
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}
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set spriteFrame (value) {
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if (this._spriteFrame === value) {
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return;
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}
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const lastSprite = this._spriteFrame;
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this._spriteFrame = value;
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this.markForUpdateRenderData();
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this._applySpriteFrame(lastSprite);
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if (EDITOR) {
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this.node.emit(EventType.SPRITE_FRAME_CHANGED, this);
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}
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}
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@property({serializable:true})
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protected _leftTop:boolean = true;
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@property({serializable:true})
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get leftTop () {
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return this._leftTop;
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}
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set leftTop (value:boolean) {
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this._leftTop = value;
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this.resetAssembler();
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}
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@property({serializable:true})
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protected _rightTop:boolean = true;
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@property({serializable:true})
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get rightTop () {
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return this._rightTop;
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}
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set rightTop (value:boolean) {
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this._rightTop = value;
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this.resetAssembler();
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}
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@property({serializable:true})
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protected _leftBottom:boolean = true;
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@property({serializable:true})
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get leftBottom () {
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return this._leftBottom;
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}
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set leftBottom (value:boolean) {
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this._leftBottom = value;
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this.resetAssembler();
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}
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@property({serializable:true})
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protected _rightBottom:boolean = true;
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@property({serializable:true})
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get rightBottom () {
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return this._rightBottom;
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}
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set rightBottom (value:boolean) {
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this._rightBottom = value;
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this.resetAssembler();
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}
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onLoad(): void {
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this._flushAssembler();
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}
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public __preload () {
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this.changeMaterialForDefine();
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super.__preload();
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if (EDITOR) {
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this._resized();
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this.node.on(NodeEventType.SIZE_CHANGED, this._resized, this);
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}
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}
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public onEnable () {
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super.onEnable();
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// Force update uv, material define, active material, etc
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this._activateMaterial();
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const spriteFrame = this._spriteFrame;
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if (spriteFrame) {
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this._updateUVs();
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}
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}
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public onDestroy () {
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if (EDITOR) {
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this.node.off(NodeEventType.SIZE_CHANGED, this._resized, this);
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}
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super.onDestroy();
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}
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/**
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* @en
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* Quickly switch to other sprite frame in the sprite atlas.
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* If there is no atlas, the switch fails.
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*
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* @zh
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* 选取使用精灵图集中的其他精灵。
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* @param name @en Name of the spriteFrame to switch. @zh 要切换的 spriteFrame 名字。
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*/
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public changeSpriteFrameFromAtlas (name: string) {
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if (!this._atlas) {
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console.warn('SpriteAtlas is null.');
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return;
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||||
}
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const sprite = this._atlas.getSpriteFrame(name);
|
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this.spriteFrame = sprite;
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||||
}
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/**
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* @deprecated Since v3.7.0, this is an engine private interface that will be removed in the future.
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||||
*/
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public changeMaterialForDefine () {
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let texture;
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||||
const lastInstanceMaterialType = this._instanceMaterialType;
|
||||
if (this._spriteFrame) {
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||||
texture = this._spriteFrame.texture;
|
||||
}
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||||
let value = false;
|
||||
if (texture instanceof cclegacy.TextureBase) {
|
||||
const format = texture.getPixelFormat();
|
||||
value = (format === cclegacy.TextureBase.PixelFormat.RGBA_ETC1 || format === cclegacy.TextureBase.PixelFormat.RGB_A_PVRTC_4BPPV1 || format === cclegacy.TextureBase.PixelFormat.RGB_A_PVRTC_2BPPV1);
|
||||
}
|
||||
|
||||
if (value) {
|
||||
this._instanceMaterialType = InstanceMaterialType.USE_ALPHA_SEPARATED;
|
||||
} else {
|
||||
this._instanceMaterialType = InstanceMaterialType.ADD_COLOR_AND_TEXTURE;
|
||||
}
|
||||
if (lastInstanceMaterialType !== this._instanceMaterialType) {
|
||||
// this.updateMaterial();
|
||||
// d.ts里没有注上这个函数，直接调用会表红。
|
||||
this["updateMaterial"]();
|
||||
}
|
||||
}
|
||||
|
||||
protected _updateBuiltinMaterial () {
|
||||
let mat = super._updateBuiltinMaterial();
|
||||
if (this.spriteFrame && this.spriteFrame.texture instanceof RenderTexture) {
|
||||
const defines = { SAMPLE_FROM_RT: true, ...mat.passes[0].defines };
|
||||
const renderMat = new Material();
|
||||
renderMat.initialize({
|
||||
effectAsset: mat.effectAsset,
|
||||
defines,
|
||||
});
|
||||
mat = renderMat;
|
||||
}
|
||||
return mat;
|
||||
}
|
||||
|
||||
protected _render (render) {
|
||||
render.commitComp(this, this.renderData, this._spriteFrame, this._assembler, null);
|
||||
}
|
||||
|
||||
protected _canRender () {
|
||||
if (!super._canRender()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
const spriteFrame = this._spriteFrame;
|
||||
if (!spriteFrame || !spriteFrame.texture) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
protected resetAssembler() {
|
||||
this._assembler = null;
|
||||
this._flushAssembler();
|
||||
}
|
||||
protected _flushAssembler () {
|
||||
const assembler = GPRoundBoxAssembler;
|
||||
|
||||
if (this._assembler !== assembler) {
|
||||
this.destroyRenderData();
|
||||
this._assembler = assembler;
|
||||
}
|
||||
|
||||
|
||||
if (!this._renderData) {
|
||||
if (this._assembler && this._assembler.createData) {
|
||||
this._renderData = this._assembler.createData(this);
|
||||
this._renderData!.material = this.getRenderMaterial(0);
|
||||
this.markForUpdateRenderData();
|
||||
if (this.spriteFrame) {
|
||||
this._assembler.updateRenderData(this);
|
||||
}
|
||||
this._updateColor();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private _applySpriteSize () {
|
||||
if (this._spriteFrame) {
|
||||
if (BUILD || !this._spriteFrame.isDefault) {
|
||||
if (Sprite.SizeMode.RAW === this._sizeMode) {
|
||||
const size = this._spriteFrame.originalSize;
|
||||
this.node._uiProps.uiTransformComp!.setContentSize(size);
|
||||
} else if (Sprite.SizeMode.TRIMMED === this._sizeMode) {
|
||||
const rect = this._spriteFrame.rect;
|
||||
this.node._uiProps.uiTransformComp!.setContentSize(rect.width, rect.height);
|
||||
}
|
||||
}
|
||||
this.markForUpdateRenderData(true)
|
||||
this._assembler.updateRenderData(this);
|
||||
}
|
||||
}
|
||||
|
||||
private _resized () {
|
||||
if (!EDITOR) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (this._spriteFrame) {
|
||||
const actualSize = this.node._uiProps.uiTransformComp!.contentSize;
|
||||
let expectedW = actualSize.width;
|
||||
let expectedH = actualSize.height;
|
||||
if (this._sizeMode === Sprite.SizeMode.RAW) {
|
||||
const size = this._spriteFrame.originalSize;
|
||||
expectedW = size.width;
|
||||
expectedH = size.height;
|
||||
} else if (this._sizeMode === Sprite.SizeMode.TRIMMED) {
|
||||
const rect = this._spriteFrame.rect;
|
||||
expectedW = rect.width;
|
||||
expectedH = rect.height;
|
||||
}
|
||||
|
||||
if (expectedW !== actualSize.width || expectedH !== actualSize.height) {
|
||||
this._sizeMode = Sprite.SizeMode.CUSTOM;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private _activateMaterial () {
|
||||
const spriteFrame = this._spriteFrame;
|
||||
const material = this.getRenderMaterial(0);
|
||||
if (spriteFrame) {
|
||||
if (material) {
|
||||
this.markForUpdateRenderData();
|
||||
}
|
||||
}
|
||||
|
||||
if (this.renderData) {
|
||||
this.renderData.material = material;
|
||||
}
|
||||
}
|
||||
|
||||
private _updateUVs () {
|
||||
if (this._assembler) {
|
||||
this._assembler.updateUVs(this);
|
||||
}
|
||||
}
|
||||
|
||||
private _applySpriteFrame (oldFrame: SpriteFrame | null) {
|
||||
const spriteFrame = this._spriteFrame;
|
||||
|
||||
let textureChanged = false;
|
||||
if (spriteFrame) {
|
||||
if (!oldFrame || oldFrame.texture !== spriteFrame.texture) {
|
||||
textureChanged = true;
|
||||
}
|
||||
if (textureChanged) {
|
||||
if (this.renderData) this.renderData.textureDirty = true;
|
||||
this.changeMaterialForDefine();
|
||||
}
|
||||
this._applySpriteSize();
|
||||
}
|
||||
}
|
||||
}
|
||||
9
assets/scripts/components/GPRoundBoxSprite.ts.meta
Normal file
9
assets/scripts/components/GPRoundBoxSprite.ts.meta
Normal file
@@ -0,0 +1,9 @@
|
||||
{
|
||||
"ver": "4.0.23",
|
||||
"importer": "typescript",
|
||||
"imported": true,
|
||||
"uuid": "99a6990b-561d-44a7-bc23-fb3e0e49fa3f",
|
||||
"files": [],
|
||||
"subMetas": {},
|
||||
"userData": {}
|
||||
}
|
||||
Reference in New Issue
Block a user