62 lines
2.6 KiB
Markdown
62 lines
2.6 KiB
Markdown
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Terrain
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根据高度图创建地形网格信息 进行显示
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// 加载地形的资源
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protected loaderTerrain() {
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var loader = new egret3d.QueueLoader();
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loader.addEventListener(egret3d.LoaderEvent3D.LOADER_COMPLETE, this.onTerrainComplete, this);
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// 高度图
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loader.load("resource/doc/ziyan_xinshou/Heightmap_0.jpg");
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// 地形混合图
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loader.load("resource/doc/ziyan_xinshou/Alphamap_0.jpg");
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// 地表贴图 4张
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loader.load("resource/doc/ziyan_xinshou/SplatPrototype_texture_0.jpg");
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loader.load("resource/doc/ziyan_xinshou/SplatPrototype_texture_1.jpg");
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loader.load("resource/doc/ziyan_xinshou/SplatPrototype_texture_2.jpg");
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loader.load("resource/doc/ziyan_xinshou/SplatPrototype_texture_3.jpg");
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}
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private onTerrainComplete(e: egret3d.LoaderEvent3D) {
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var loader: egret3d.QueueLoader = e.target;
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// 使用高度图创建地形
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var heightImage: egret3d.ImageTexture = <egret3d.ImageTexture>loader.getAsset("resource/doc/ziyan_xinshou/Heightmap_0.jpg");
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var terrain: egret3d.Terrain = new egret3d.Terrain(heightImage, 2000, 500, 2000, 200, 200);
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var mat: egret3d.MaterialBase = terrain.material;
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//mat.gloss = 10.0;
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mat.repeat = true;
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this.view.addChild3D(terrain);
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// 给地形增加地形混合渲染方法
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var terrainMethod: egret3d.TerrainARGBMethod = new egret3d.TerrainARGBMethod(
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egret3d.CheckerboardTexture.texture,
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egret3d.CheckerboardTexture.texture,
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egret3d.CheckerboardTexture.texture,
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egret3d.CheckerboardTexture.texture,
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egret3d.CheckerboardTexture.texture);
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mat.diffusePass.addMethod(terrainMethod);
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terrainMethod.setUVTitling(0, 26.7, 26.7);
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terrainMethod.setUVTitling(1, 16, 16);
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terrainMethod.setUVTitling(2, 26.7, 26.7);
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terrainMethod.setUVTitling(3, 26.7, 26.7);
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// 设置混合贴图和地表贴图
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terrainMethod.controlTexture = loader.getAsset("resource/doc/ziyan_xinshou/Alphamap_0.jpg");
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terrainMethod.splat_0_Texture = loader.getAsset("resource/doc/ziyan_xinshou/SplatPrototype_texture_0.jpg");
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terrainMethod.splat_1_Texture = loader.getAsset("resource/doc/ziyan_xinshou/SplatPrototype_texture_1.jpg");
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terrainMethod.splat_2_Texture = loader.getAsset("resource/doc/ziyan_xinshou/SplatPrototype_texture_2.jpg");
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terrainMethod.splat_3_Texture = loader.getAsset("resource/doc/ziyan_xinshou/SplatPrototype_texture_3.jpg");
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}
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