1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* 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_v11;
import android.content.res.Resources;
import android.renderscript.*;
import android.util.Log;
public class FountainRS {
public static final int PART_COUNT = 50000;
public FountainRS() {
}
private Resources mRes;
private RenderScriptGL mRS;
private ScriptC_fountain mScript;
public void init(RenderScriptGL rs, Resources res, int width, int height) {
mRS = rs;
mRes = res;
ProgramFragmentFixedFunction.Builder pfb = new ProgramFragmentFixedFunction.Builder(rs);
pfb.setVaryingColor(true);
rs.bindProgramFragment(pfb.create());
ScriptField_Point points = new ScriptField_Point(mRS, PART_COUNT);//
// Allocation.USAGE_GRAPHICS_VERTEX);
Mesh.AllocationBuilder smb = new Mesh.AllocationBuilder(mRS);
smb.addVertexAllocation(points.getAllocation());
smb.addIndexSetType(Mesh.Primitive.POINT);
Mesh sm = smb.create();
mScript = new ScriptC_fountain(mRS, mRes, R.raw.fountain);
mScript.set_partMesh(sm);
mScript.bind_point(points);
mRS.bindRootScript(mScript);
}
boolean holdingColor[] = new boolean[10];
public void newTouchPosition(float x, float y, float pressure, int id) {
if (id >= holdingColor.length) {
return;
}
int rate = (int)(pressure * pressure * 500.f);
if (rate > 500) {
rate = 500;
}
if (rate > 0) {
mScript.invoke_addParticles(rate, x, y, id, !holdingColor[id]);
holdingColor[id] = true;
} else {
holdingColor[id] = false;
}
}
}
|