| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package com.android.rollo; |
| |
| import java.io.Writer; |
| import java.lang.Math; |
| |
| import android.renderscript.RenderScript; |
| |
| |
| class RolloMesh { |
| static public final float mCardHeight = 1.2f; |
| static public final float mCardWidth = 1.8f; |
| static public final float mTabHeight = 0.2f; |
| static public final float mTabs = 3; |
| static public final float mTabGap = 0.1f; |
| |
| static RenderScript.TriangleMesh createCard(RenderScript rs) { |
| RenderScript.Element vtx = rs.elementGetPredefined( |
| RenderScript.ElementPredefined.ST_XYZ_F32); |
| RenderScript.Element idx = rs.elementGetPredefined( |
| RenderScript.ElementPredefined.INDEX_16); |
| |
| float w = mCardWidth / 2; |
| float h = mCardHeight; |
| float z = 0; |
| |
| rs.triangleMeshBegin(vtx, idx); |
| rs.triangleMeshAddVertex_XYZ_ST(-w, 0, z, 0, 0); |
| rs.triangleMeshAddVertex_XYZ_ST(-w, h, z, 0, 1); |
| rs.triangleMeshAddVertex_XYZ_ST( w, h, z, 1, 1); |
| rs.triangleMeshAddVertex_XYZ_ST( w, 0, z, 1, 0); |
| rs.triangleMeshAddTriangle(0,1,2); |
| rs.triangleMeshAddTriangle(0,2,3); |
| return rs.triangleMeshCreate(); |
| } |
| |
| static RenderScript.TriangleMesh createTab(RenderScript rs) { |
| RenderScript.Element vtx = rs.elementGetPredefined( |
| RenderScript.ElementPredefined.ST_XYZ_F32); |
| RenderScript.Element idx = rs.elementGetPredefined( |
| RenderScript.ElementPredefined.INDEX_16); |
| |
| |
| float tabSlope = 0.1f; |
| float num = 0; |
| |
| float w = (mCardWidth - ((mTabs - 1) * mTabGap)) / mTabs; |
| float w1 = -(mCardWidth / 2) + ((w + mTabGap) * num); |
| float w2 = w1 + (w * tabSlope); |
| float w3 = w1 + w - (w * tabSlope); |
| float w4 = w1 + w; |
| float h1 = mCardHeight; |
| float h2 = h1 + mTabHeight; |
| float z = 0; |
| |
| float stScale = w / mTabHeight / 2; |
| float stScale2 = stScale * (tabSlope / w); |
| |
| |
| rs.triangleMeshBegin(vtx, idx); |
| rs.triangleMeshAddVertex_XYZ_ST(w1, h1, z, -stScale, 0); |
| rs.triangleMeshAddVertex_XYZ_ST(w2, h2, z, -stScale2, 1); |
| rs.triangleMeshAddVertex_XYZ_ST(w3, h2, z, stScale2, 1); |
| rs.triangleMeshAddVertex_XYZ_ST(w4, h1, z, stScale, 0); |
| rs.triangleMeshAddTriangle(0,1,2); |
| rs.triangleMeshAddTriangle(0,2,3); |
| return rs.triangleMeshCreate(); |
| } |
| |
| |
| |
| } |
| |
| |