| /* |
| * Copyright (C) 2008 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.fountain; |
| |
| import android.content.res.Resources; |
| import android.renderscript.*; |
| import android.util.Log; |
| |
| |
| public class FountainRS { |
| public static final int PART_COUNT = 20000; |
| |
| public FountainRS() { |
| } |
| |
| public void init(RenderScriptGL rs, Resources res, int width, int height) { |
| mRS = rs; |
| mRes = res; |
| initRS(); |
| } |
| |
| Float4 tmpColor = new Float4(); |
| boolean holdingColor = false; |
| public void newTouchPosition(int x, int y, int rate) { |
| if (rate > 0) { |
| if (true/*!holdingColor*/) { |
| tmpColor.x = ((x & 0x1) != 0) ? 0.f : 1.f; |
| tmpColor.y = ((x & 0x2) != 0) ? 0.f : 1.f; |
| tmpColor.z = ((x & 0x4) != 0) ? 0.f : 1.f; |
| if ((tmpColor.x + tmpColor.y + tmpColor.z) < 0.9f) { |
| tmpColor.x = 0.8f; |
| tmpColor.y = 0.5f; |
| tmpColor.z = 1.0f; |
| } |
| android.util.Log.e("rs", "set color " + tmpColor.x + ", " + tmpColor.y + ", " + tmpColor.z); |
| mScript.set_partColor(tmpColor); |
| } |
| mScript.invokable_addParticles(rate, x, y); |
| holdingColor = true; |
| } else { |
| holdingColor = false; |
| } |
| |
| } |
| |
| |
| ///////////////////////////////////////// |
| |
| private Resources mRes; |
| |
| private ScriptField_Point mPoints; |
| private ScriptC_Fountain mScript; |
| private RenderScriptGL mRS; |
| private SimpleMesh mSM; |
| |
| private void initRS() { |
| mPoints = new ScriptField_Point(mRS, PART_COUNT); |
| |
| SimpleMesh.Builder smb = new SimpleMesh.Builder(mRS); |
| int vtxSlot = smb.addVertexType(mPoints.getType()); |
| smb.setPrimitive(Primitive.POINT); |
| mSM = smb.create(); |
| mSM.bindVertexAllocation(mPoints.getAllocation(), vtxSlot); |
| |
| mScript = new ScriptC_Fountain(mRS, mRes, true); |
| mScript.set_partMesh(mSM); |
| mScript.bind_point(mPoints); |
| mRS.contextBindRootScript(mScript); |
| } |
| |
| } |
| |
| |