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| Rev | Author | Line No. | Line |
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| 223 | chris | 1 | package com.gebauz.Bauzoid.graphics.model; |
| 2 | |||
| 224 | chris | 3 | import com.badlogic.gdx.Gdx; |
| 4 | import com.badlogic.gdx.graphics.GL20; |
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| 223 | chris | 5 | import com.gebauz.Bauzoid.app.Consts; |
| 6 | import com.gebauz.Bauzoid.graphics.Graphics; |
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| 7 | import com.gebauz.Bauzoid.graphics.GraphicsObject; |
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| 8 | |||
| 9 | /** Simpler Geometry class for creating geometry from code. */ |
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| 10 | public class SimpleGeometry extends GraphicsObject |
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| 11 | { |
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| 12 | public static final int POSITION_COORD_PER_ELEMENT = 3; |
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| 13 | public static final int NORMAL_COORD_PER_ELEMENT = 3; |
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| 14 | public static final int COLOR_COORD_PER_ELEMENT = 4; |
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| 15 | public static final int TEXCOORD_COORD_PER_ELEMENT = 2; |
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| 16 | |||
| 224 | chris | 17 | private Geometry.PrimitiveType mPrimitiveType = Geometry.PrimitiveType.TRIANGLES; |
| 18 | private int mPrimitiveTypeGL = GL20.GL_TRIANGLES; |
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| 19 | |||
| 223 | chris | 20 | private VertexStream mPositionStream = null; |
| 21 | private VertexStream mNormalStream = null; |
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| 22 | private VertexStream mColorStream = null; |
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| 23 | private VertexStream mTexCoordStream = null; |
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| 24 | private IndexStream mIndexStream = null; |
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| 25 | |||
| 224 | chris | 26 | public SimpleGeometry(Graphics graphics, Geometry.PrimitiveType primitiveType) |
| 223 | chris | 27 | { |
| 28 | super(graphics); |
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| 224 | chris | 29 | |
| 30 | mPrimitiveType = primitiveType; |
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| 31 | mPrimitiveTypeGL = Geometry.toPrimitiveGL(primitiveType); |
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| 223 | chris | 32 | } |
| 33 | |||
| 34 | public void dispose() |
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| 35 | { |
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| 36 | destroyPositionStream(); |
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| 37 | destroyNormalStream(); |
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| 38 | destroyColorStream(); |
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| 39 | destroyTexCoordStream(); |
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| 40 | destroyIndexStream(); |
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| 41 | } |
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| 42 | |||
| 43 | public void destroyPositionStream() |
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| 44 | { |
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| 45 | if (mPositionStream != null) |
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| 46 | { |
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| 47 | mPositionStream.dispose(); |
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| 48 | mPositionStream = null; |
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| 49 | } |
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| 50 | } |
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| 51 | |||
| 52 | public void destroyNormalStream() |
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| 53 | { |
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| 54 | if (mNormalStream != null) |
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| 55 | { |
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| 56 | mNormalStream.dispose(); |
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| 57 | mNormalStream = null; |
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| 58 | } |
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| 59 | } |
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| 60 | |||
| 61 | public void destroyColorStream() |
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| 62 | { |
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| 63 | if (mColorStream != null) |
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| 64 | { |
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| 65 | mColorStream.dispose(); |
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| 66 | mColorStream = null; |
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| 67 | } |
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| 68 | } |
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| 69 | |||
| 70 | public void destroyTexCoordStream() |
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| 71 | { |
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| 72 | if (mTexCoordStream != null) |
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| 73 | { |
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| 74 | mTexCoordStream.dispose(); |
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| 75 | mTexCoordStream = null; |
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| 76 | } |
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| 77 | } |
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| 78 | |||
| 79 | public void destroyIndexStream() |
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| 80 | { |
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| 81 | if (mIndexStream != null) |
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| 82 | { |
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| 83 | mIndexStream.dispose(); |
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| 84 | mIndexStream = null; |
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| 85 | } |
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| 86 | } |
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| 87 | |||
| 88 | public void setPositions(float[] positions) |
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| 89 | { |
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| 226 | chris | 90 | setPositions(positions, false); |
| 91 | } |
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| 92 | |||
| 93 | public void setPositions(float[] positions, boolean isDynamic) |
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| 94 | { |
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| 223 | chris | 95 | if ((mPositionStream == null) || |
| 226 | chris | 96 | (positions.length != (mPositionStream.getVertexCount() * mPositionStream.getCoordsPerElement())) || |
| 97 | (isDynamic != mPositionStream.isDynamic())) |
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| 223 | chris | 98 | { |
| 99 | destroyPositionStream(); |
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| 100 | |||
| 101 | mPositionStream = new VertexStream(getGraphics(), VertexStream.StreamType.INDIVIDUAL, "Positions", |
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| 226 | chris | 102 | new VertexAttribute[] { new VertexAttribute(VertexAttribute.POSITION, POSITION_COORD_PER_ELEMENT, 0) }, |
| 103 | isDynamic); |
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| 223 | chris | 104 | } |
| 105 | mPositionStream.setData(positions, POSITION_COORD_PER_ELEMENT, POSITION_COORD_PER_ELEMENT * Consts.SIZEOF_FLOAT); |
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| 106 | mPositionStream.reupload(); |
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| 107 | } |
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| 108 | |||
| 226 | chris | 109 | public void setNormals(float[] normals) |
| 223 | chris | 110 | { |
| 226 | chris | 111 | setNormals(normals, false); |
| 112 | } |
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| 113 | |||
| 114 | public void setNormals(float[] normals, boolean isDynamic) |
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| 115 | { |
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| 223 | chris | 116 | if ((mNormalStream == null) || |
| 226 | chris | 117 | (normals.length != (mNormalStream.getVertexCount() * mNormalStream.getCoordsPerElement())) || |
| 118 | (isDynamic != mNormalStream.isDynamic())) |
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| 223 | chris | 119 | { |
| 120 | destroyNormalStream(); |
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| 121 | |||
| 122 | mNormalStream = new VertexStream(getGraphics(), VertexStream.StreamType.INDIVIDUAL, "Normals", |
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| 226 | chris | 123 | new VertexAttribute[] { new VertexAttribute(VertexAttribute.NORMAL, NORMAL_COORD_PER_ELEMENT, 0) }, |
| 124 | isDynamic); |
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| 223 | chris | 125 | } |
| 126 | mNormalStream.setData(normals, NORMAL_COORD_PER_ELEMENT, NORMAL_COORD_PER_ELEMENT * Consts.SIZEOF_FLOAT); |
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| 127 | mNormalStream.reupload(); |
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| 128 | } |
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| 129 | |||
| 130 | public void setColors(float[] colors) |
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| 131 | { |
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| 226 | chris | 132 | setColors(colors, false); |
| 133 | } |
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| 134 | |||
| 135 | public void setColors(float[] colors, boolean isDynamic) |
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| 136 | { |
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| 223 | chris | 137 | if ((mColorStream == null) || |
| 226 | chris | 138 | (colors.length != (mColorStream.getVertexCount() * mColorStream.getCoordsPerElement())) || |
| 139 | (isDynamic != mColorStream.isDynamic())) |
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| 223 | chris | 140 | { |
| 224 | chris | 141 | destroyColorStream(); |
| 223 | chris | 142 | |
| 143 | mColorStream = new VertexStream(getGraphics(), VertexStream.StreamType.INDIVIDUAL, "Colors", |
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| 226 | chris | 144 | new VertexAttribute[] { new VertexAttribute(VertexAttribute.COLOR, COLOR_COORD_PER_ELEMENT, 0) }, |
| 145 | isDynamic); |
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| 223 | chris | 146 | } |
| 147 | mColorStream.setData(colors, COLOR_COORD_PER_ELEMENT, COLOR_COORD_PER_ELEMENT * Consts.SIZEOF_FLOAT); |
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| 148 | mColorStream.reupload(); |
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| 149 | } |
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| 150 | |||
| 151 | public void setTexCoords(float[] texCoords) |
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| 152 | { |
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| 226 | chris | 153 | setTexCoords(texCoords, false); |
| 154 | } |
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| 155 | |||
| 156 | public void setTexCoords(float[] texCoords, boolean isDynamic) |
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| 157 | { |
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| 223 | chris | 158 | if ((mTexCoordStream == null) || |
| 226 | chris | 159 | (texCoords.length != (mTexCoordStream.getVertexCount() * mTexCoordStream.getCoordsPerElement())) || |
| 160 | (isDynamic != mTexCoordStream.isDynamic())) |
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| 223 | chris | 161 | { |
| 224 | chris | 162 | destroyTexCoordStream(); |
| 223 | chris | 163 | |
| 164 | mTexCoordStream = new VertexStream(getGraphics(), VertexStream.StreamType.INDIVIDUAL, "TexCoord", |
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| 226 | chris | 165 | new VertexAttribute[] { new VertexAttribute(VertexAttribute.TEXCOORD0, TEXCOORD_COORD_PER_ELEMENT, 0) }, |
| 166 | isDynamic); |
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| 223 | chris | 167 | } |
| 168 | mTexCoordStream.setData(texCoords, TEXCOORD_COORD_PER_ELEMENT, TEXCOORD_COORD_PER_ELEMENT * Consts.SIZEOF_FLOAT); |
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| 169 | mTexCoordStream.reupload(); |
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| 170 | } |
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| 171 | |||
| 172 | public void setIndices(short[] indices) |
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| 173 | { |
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| 174 | if ((mIndexStream == null) || (indices.length != (mIndexStream.getIndexCount()))) |
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| 175 | { |
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| 176 | destroyIndexStream(); |
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| 177 | |||
| 178 | mIndexStream = new IndexStream(getGraphics()); |
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| 179 | } |
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| 180 | mIndexStream.setData(indices); |
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| 181 | mIndexStream.reupload(); |
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| 182 | } |
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| 224 | chris | 183 | |
| 184 | public void render() |
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| 185 | { |
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| 186 | if (mPositionStream == null) |
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| 187 | return; |
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| 188 | |||
| 189 | mPositionStream.activate(); |
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| 190 | |||
| 191 | if (mNormalStream != null) |
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| 192 | mNormalStream.activate(); |
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| 193 | |||
| 194 | if (mColorStream != null) |
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| 195 | mColorStream.activate(); |
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| 196 | |||
| 197 | if (mTexCoordStream != null) |
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| 198 | mTexCoordStream.activate(); |
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| 199 | |||
| 200 | if (mIndexStream != null) |
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| 201 | { |
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| 202 | mIndexStream.activate(); |
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| 203 | |||
| 204 | Gdx.gl20.glDrawElements(mPrimitiveTypeGL, mIndexStream.getIndexCount(), GL20.GL_UNSIGNED_SHORT, 0); |
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| 205 | |||
| 206 | mIndexStream.deactivate(); |
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| 207 | } |
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| 208 | else |
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| 209 | { |
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| 210 | Gdx.gl20.glDrawArrays(mPrimitiveTypeGL, 0, mPositionStream.getVertexCount()); |
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| 211 | } |
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| 212 | |||
| 213 | mPositionStream.deactivate(); |
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| 214 | |||
| 215 | if (mNormalStream != null) |
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| 216 | mNormalStream.deactivate(); |
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| 217 | |||
| 218 | if (mColorStream != null) |
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| 219 | mColorStream.deactivate(); |
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| 220 | |||
| 221 | if (mTexCoordStream != null) |
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| 222 | mTexCoordStream.deactivate(); |
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| 223 | } |
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| 224 | |||
| 225 | public Geometry.PrimitiveType getPrimitiveType() |
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| 226 | { |
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| 227 | return mPrimitiveType; |
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| 228 | } |
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| 229 | |||
| 223 | chris | 230 | } |