Rev 791 | Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 787 | chris | 1 | using System; |
| 2 | using System.Collections.Generic; |
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| 3 | using System.Linq; |
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| 4 | using System.Text; |
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| 5 | using System.Threading.Tasks; |
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| 6 | |||
| 7 | using BauzoidNET.math; |
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| 8 | |||
| 9 | namespace BauzoidNET.graphics.model |
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| 10 | { |
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| 11 | public class GeometryUtil |
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| 12 | { |
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| 13 | static public SimpleGeometry createQuad(float minX, float minY, float maxX, float maxY, |
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| 14 | float minS, float minT, float maxS, float maxT, Vector4 color) |
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| 15 | { |
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| 16 | SimpleGeometry mesh = new SimpleGeometry(Geometry.PrimitiveType.TRIANGLES); |
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| 17 | |||
| 18 | AttributeArray vertices = new AttributeArray(SimpleGeometry.POSITION_COORD_PER_ELEMENT * 6); |
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| 19 | vertices.fill(minX, minY, 0.0f); |
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| 20 | vertices.fill(maxX, minY, 0.0f); |
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| 21 | vertices.fill(minX, maxY, 0.0f); |
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| 22 | |||
| 23 | vertices.fill(minX, maxY, 0.0f); |
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| 24 | vertices.fill(maxX, minY, 0.0f); |
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| 25 | vertices.fill(maxX, maxY, 0.0f); |
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| 26 | |||
| 27 | AttributeArray colors = new AttributeArray(SimpleGeometry.COLOR_COORD_PER_ELEMENT * 6); |
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| 28 | colors.fill(color.x, color.y, color.z, color.w); |
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| 29 | colors.fill(color.x, color.y, color.z, color.w); |
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| 30 | colors.fill(color.x, color.y, color.z, color.w); |
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| 31 | colors.fill(color.x, color.y, color.z, color.w); |
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| 32 | colors.fill(color.x, color.y, color.z, color.w); |
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| 33 | colors.fill(color.x, color.y, color.z, color.w); |
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| 34 | |||
| 35 | AttributeArray texCoords = new AttributeArray(SimpleGeometry.TEXCOORD_COORD_PER_ELEMENT * 6); |
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| 36 | texCoords.fill(minS, maxT); |
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| 37 | texCoords.fill(maxS, maxT); |
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| 38 | texCoords.fill(minS, minT); |
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| 39 | |||
| 40 | texCoords.fill(minS, minT); |
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| 41 | texCoords.fill(maxS, maxT); |
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| 42 | texCoords.fill(maxS, minT); |
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| 43 | |||
| 44 | mesh.setPositions(vertices.getAttributeArray()); |
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| 45 | mesh.setColors(colors.getAttributeArray()); |
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| 46 | mesh.setTexCoords(texCoords.getAttributeArray()); |
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| 47 | |||
| 48 | return mesh; |
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| 49 | } |
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| 50 | |||
| 51 | public static SimpleGeometry createQuad(float minX, float minY, float maxX, float maxY, |
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| 52 | float minS, float minT, float maxS, float maxT) |
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| 53 | { |
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| 54 | return createQuad(minX, minY, maxX, maxY, minS, minT, maxS, maxT, new Vector4(1.0f, 1.0f, 1.0f, 1.0f)); |
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| 55 | } |
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| 56 | |||
| 57 | public static SimpleGeometry createQuad(float minX, float minY, float maxX, float maxY, Vector4 color) |
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| 58 | { |
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| 59 | return createQuad(minX, minY, maxX, maxY, 0.0f, 0.0f, 1.0f, 1.0f, new Vector4(1.0f, 1.0f, 1.0f, 1.0f)); |
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| 60 | } |
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| 61 | |||
| 62 | public static SimpleGeometry createQuad(float minX, float minY, float maxX, float maxY) |
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| 63 | { |
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| 64 | return createQuad(minX, minY, maxX, maxY, 0.0f, 0.0f, 1.0f, 1.0f); |
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| 65 | } |
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| 66 | |||
| 67 | static public SimpleGeometry createSubdividedQuad(float minX, float minY, float maxX, float maxY, |
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| 68 | float minS, float minT, float maxS, float maxT, Vector4 color, int subdivisionX, int subdivisionY) |
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| 69 | { |
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| 70 | SimpleGeometry mesh = new SimpleGeometry(Geometry.PrimitiveType.TRIANGLES); |
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| 71 | |||
| 72 | int numTiles = (subdivisionX + 1) * (subdivisionY + 1); |
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| 73 | |||
| 74 | AttributeArray vertices = new AttributeArray(SimpleGeometry.POSITION_COORD_PER_ELEMENT * 6 * numTiles); |
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| 75 | AttributeArray colors = new AttributeArray(SimpleGeometry.COLOR_COORD_PER_ELEMENT * 6 * numTiles); |
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| 76 | AttributeArray texCoords = new AttributeArray(SimpleGeometry.TEXCOORD_COORD_PER_ELEMENT * 6 * numTiles); |
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| 77 | |||
| 78 | float stepX = (maxX - minX) / (subdivisionX + 1); |
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| 79 | float stepY = (maxY - minY) / (subdivisionY + 1); |
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| 80 | |||
| 81 | float stepS = (maxS - minS) / (subdivisionX + 1); |
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| 82 | float stepT = (maxT - minT) / (subdivisionY + 1); |
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| 83 | |||
| 84 | float segmentX = minX; |
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| 85 | float segmentY = minY; |
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| 86 | |||
| 87 | float segmentS = minS; |
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| 88 | float segmentT = maxT; |
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| 89 | |||
| 90 | for (int y = 0; y < (subdivisionY + 1); y++) |
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| 91 | { |
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| 92 | for (int x = 0; x < (subdivisionX + 1); x++) |
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| 93 | { |
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| 94 | float segmentMinX = segmentX; |
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| 95 | float segmentMaxX = segmentX + stepX; |
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| 96 | float segmentMinY = segmentY; |
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| 97 | float segmentMaxY = segmentY + stepY; |
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| 98 | |||
| 99 | float segmentMinS = segmentS; |
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| 100 | float segmentMaxS = (segmentS + stepS); |
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| 101 | float segmentMinT = (segmentT - stepT); |
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| 102 | float segmentMaxT = segmentT; |
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| 103 | |||
| 104 | vertices.fill(segmentMinX, segmentMinY, 0.0f); |
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| 105 | vertices.fill(segmentMaxX, segmentMinY, 0.0f); |
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| 106 | vertices.fill(segmentMinX, segmentMaxY, 0.0f); |
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| 107 | |||
| 108 | vertices.fill(segmentMinX, segmentMaxY, 0.0f); |
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| 109 | vertices.fill(segmentMaxX, segmentMinY, 0.0f); |
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| 110 | vertices.fill(segmentMaxX, segmentMaxY, 0.0f); |
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| 111 | |||
| 112 | colors.fill(color.x, color.y, color.z, color.w); |
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| 113 | colors.fill(color.x, color.y, color.z, color.w); |
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| 114 | colors.fill(color.x, color.y, color.z, color.w); |
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| 115 | |||
| 116 | colors.fill(color.x, color.y, color.z, color.w); |
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| 117 | colors.fill(color.x, color.y, color.z, color.w); |
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| 118 | colors.fill(color.x, color.y, color.z, color.w); |
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| 119 | |||
| 120 | texCoords.fill(segmentMinS, segmentMaxT); |
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| 121 | texCoords.fill(segmentMaxS, segmentMaxT); |
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| 122 | texCoords.fill(segmentMinS, segmentMinT); |
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| 123 | |||
| 124 | texCoords.fill(segmentMinS, segmentMinT); |
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| 125 | texCoords.fill(segmentMaxS, segmentMaxT); |
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| 126 | texCoords.fill(segmentMaxS, segmentMinT); |
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| 127 | |||
| 128 | segmentX += stepX; |
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| 129 | segmentS += stepS; |
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| 130 | } |
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| 131 | |||
| 132 | segmentX = minX; |
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| 133 | segmentS = minS; |
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| 134 | |||
| 135 | segmentY += stepY; |
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| 136 | segmentT -= stepT; |
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| 137 | } |
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| 138 | |||
| 139 | /* AttributeArray vertices = new AttributeArray(SimpleGeometry.POSITION_COORD_PER_ELEMENT * 6); |
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| 140 | vertices.fill(minX, minY, 0.0f); |
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| 141 | vertices.fill(maxX, minY, 0.0f); |
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| 142 | vertices.fill(minX, maxY, 0.0f); |
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| 143 | |||
| 144 | vertices.fill(minX, maxY, 0.0f); |
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| 145 | vertices.fill(maxX, minY, 0.0f); |
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| 146 | vertices.fill(maxX, maxY, 0.0f); |
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| 147 | |||
| 148 | AttributeArray colors = new AttributeArray(SimpleGeometry.COLOR_COORD_PER_ELEMENT * 6); |
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| 149 | colors.fill(color.x, color.y, color.z, color.w); |
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| 150 | colors.fill(color.x, color.y, color.z, color.w); |
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| 151 | colors.fill(color.x, color.y, color.z, color.w); |
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| 152 | colors.fill(color.x, color.y, color.z, color.w); |
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| 153 | colors.fill(color.x, color.y, color.z, color.w); |
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| 154 | colors.fill(color.x, color.y, color.z, color.w); |
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| 155 | |||
| 156 | AttributeArray texCoords = new AttributeArray(SimpleGeometry.TEXCOORD_COORD_PER_ELEMENT * 6); |
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| 157 | texCoords.fill(minS, maxT); |
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| 158 | texCoords.fill(maxS, maxT); |
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| 159 | texCoords.fill(minS, minT); |
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| 160 | |||
| 161 | texCoords.fill(minS, minT); |
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| 162 | texCoords.fill(maxS, maxT); |
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| 163 | texCoords.fill(maxS, minT);*/ |
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| 164 | |||
| 165 | mesh.setPositions(vertices.getAttributeArray()); |
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| 166 | mesh.setColors(colors.getAttributeArray()); |
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| 167 | mesh.setTexCoords(texCoords.getAttributeArray()); |
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| 168 | |||
| 169 | return mesh; |
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| 170 | } |
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| 171 | |||
| 172 | public static SimpleGeometry createSubdividedQuad(float minX, float minY, float maxX, float maxY, |
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| 173 | float minS, float minT, float maxS, float maxT, int subdivisionX, int subdivisionY) |
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| 174 | { |
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| 175 | return createSubdividedQuad(minX, minY, maxX, maxY, minS, minT, maxS, maxT, new Vector4(1.0f, 1.0f, 1.0f, 1.0f), |
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| 176 | subdivisionX, subdivisionY); |
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| 177 | } |
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| 178 | |||
| 179 | public static SimpleGeometry createSubdividedQuad(float minX, float minY, float maxX, float maxY, |
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| 180 | Vector4 color, int subdivisionX, int subdivisionY) |
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| 181 | { |
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| 182 | return createSubdividedQuad(minX, minY, maxX, maxY, 0.0f, 0.0f, 1.0f, 1.0f, new Vector4(1.0f, 1.0f, 1.0f, 1.0f), |
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| 183 | subdivisionX, subdivisionY); |
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| 184 | } |
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| 185 | |||
| 186 | public static SimpleGeometry createSubdividedQuad(float minX, float minY, float maxX, float maxY, |
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| 187 | int subdivisionX, int subdivisionY) |
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| 188 | { |
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| 189 | return createSubdividedQuad(minX, minY, maxX, maxY, 0.0f, 0.0f, 1.0f, 1.0f, subdivisionX, subdivisionY); |
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| 190 | } |
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| 191 | } |
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| 192 | } |