/
ShadowMappingTest.java
117 lines (100 loc) · 3.83 KB
/
ShadowMappingTest.java
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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* 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.badlogic.gdx.tests.g3d;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.PerspectiveCamera;
import com.badlogic.gdx.graphics.VertexAttributes.Usage;
import com.badlogic.gdx.graphics.g3d.Environment;
import com.badlogic.gdx.graphics.g3d.Material;
import com.badlogic.gdx.graphics.g3d.Model;
import com.badlogic.gdx.graphics.g3d.ModelBatch;
import com.badlogic.gdx.graphics.g3d.ModelInstance;
import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute;
import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight;
import com.badlogic.gdx.graphics.g3d.utils.CameraInputController;
import com.badlogic.gdx.graphics.g3d.utils.DepthShaderProvider;
import com.badlogic.gdx.graphics.g3d.utils.MeshPartBuilder;
import com.badlogic.gdx.graphics.g3d.utils.ModelBuilder;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.tests.utils.GdxTest;
public class ShadowMappingTest extends GdxTest {
PerspectiveCamera cam;
CameraInputController camController;
ModelBatch modelBatch;
Model model;
ModelInstance instance;
Environment environment;
DirectionalShadowLight shadowLight;
ModelBatch shadowBatch;
@Override
public void create () {
modelBatch = new ModelBatch();
environment = new Environment();
environment.set(new ColorAttribute(ColorAttribute.AmbientLight, .4f, .4f, .4f, 1f));
environment
.add((shadowLight = new DirectionalShadowLight(1024, 1024, 30f, 30f, 1f, 100f)).set(0.8f, 0.8f, 0.8f, -1f, -.8f, -.2f));
environment.shadowMap = shadowLight;
cam = new PerspectiveCamera(67, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
cam.position.set(0f, 7f, 10f);
cam.lookAt(0, 0, 0);
cam.near = 1f;
cam.far = 50f;
cam.update();
ModelBuilder modelBuilder = new ModelBuilder();
modelBuilder.begin();
MeshPartBuilder mpb = modelBuilder.part("parts", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.ColorUnpacked,
new Material(ColorAttribute.createDiffuse(Color.WHITE)));
mpb.setColor(1f, 1f, 1f, 1f);
mpb.box(0, -1.5f, 0, 10, 1, 10);
mpb.setColor(1f, 0f, 1f, 1f);
mpb.sphere(2f, 2f, 2f, 10, 10);
model = modelBuilder.end();
instance = new ModelInstance(model);
shadowBatch = new ModelBatch(new DepthShaderProvider());
Gdx.input.setInputProcessor(camController = new CameraInputController(cam));
}
@Override
public void render () {
camController.update();
Gdx.gl.glViewport(0, 0, Gdx.graphics.getBackBufferWidth(), Gdx.graphics.getBackBufferHeight());
Gdx.gl.glClearColor(0, 0, 0, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);
shadowLight.begin(Vector3.Zero, cam.direction);
shadowBatch.begin(shadowLight.getCamera());
shadowBatch.render(instance);
shadowBatch.end();
shadowLight.end();
modelBatch.begin(cam);
modelBatch.render(instance, environment);
modelBatch.end();
}
@Override
public void dispose () {
modelBatch.dispose();
model.dispose();
}
public boolean needsGL20 () {
return true;
}
public void resume () {
}
public void resize (int width, int height) {
}
public void pause () {
}
}