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[INDEX] - Minor changes on design. Added styles on the css.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,74 +1,96 @@ | ||
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| noise.seed(Math.random()); | ||
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| function getTerrainElevation(positionDrone) { | ||
| let resolution = 120; | ||
| let muntains = 22; | ||
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| let posX = 251 + positionDrone.x; | ||
| let posZ = 251 + positionDrone.z; | ||
| let perlingVal = Math.abs(noise.simplex2(posZ/ resolution, posX/ resolution)) * muntains; | ||
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| if (Math.random() > 0.95) { | ||
| return ((perlingVal-20) > positionDrone.y); | ||
| class Terrain { | ||
| // Constructor function to initialize properties | ||
| // Adjust the perling value scale. When gigher the perling values change less. | ||
| // Altitude of the terrain. When the value is higher the terrain is high. | ||
| constructor(resolution, maxHeight, columns, rows, sizeX, sizeY) { | ||
| this.resolution = resolution; | ||
| this.maxHeight = maxHeight; | ||
| this.columns = columns; | ||
| this.rows = rows; | ||
| this.sizeX = sizeX; | ||
| this.sizeY = sizeY; | ||
| } | ||
| return false; | ||
| } | ||
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| function initTerrain() { | ||
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| let resolution = 120; | ||
| let muntains = 22; | ||
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| let columns = 500; | ||
| let rows = 500; | ||
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| let sizeX = 500; | ||
| let sizeY = 500; | ||
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| var geometry = new THREE.PlaneGeometry( sizeX, sizeY, rows, columns ); | ||
| var material = new THREE.MeshBasicMaterial( { color: 0xffffff, flatShading : THREE.FlatShading, side: THREE.DoubleSide, vertexColors: THREE.FaceColors} ); | ||
| var plane = new THREE.Mesh( geometry, material ); | ||
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| plane.rotateX(-Math.PI / 2); | ||
| plane.position.y = -20; | ||
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| columns = columns + 1; | ||
| rows = rows + 1; | ||
| getTerrainElevation(positionDrone) { | ||
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| for (let i = 0; i < columns; i=i+1) { | ||
| for (let j = 0; j < rows; j=j+1) { | ||
| let offset = j + i * rows; | ||
| let perlingVal = Math.abs(noise.simplex2(i/ resolution, j/ resolution)) * muntains; | ||
| let posX = this.columns / 2.0 + positionDrone.x * this.columns / this.sizeX; | ||
| let posZ = this.rows / 2.0 + positionDrone.z * this.rows / this.sizeY; | ||
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| geometry.vertices[offset].z = perlingVal; | ||
| let perlingVal = Math.abs(noise.simplex2(posZ / this.resolution, posX / this.resolution)) * this.maxHeight; | ||
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| let r_v = 0; | ||
| let g_v = perlingVal / muntains; | ||
| let b_v = 0; | ||
| if (Math.random() > 0.95) { | ||
| return ((perlingVal-20) > positionDrone.y); | ||
| } | ||
| return false; | ||
| } | ||
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| if (perlingVal < 1.5) { | ||
| geometry.vertices[offset].z = 1 ; | ||
| b_v = 1; | ||
| g_v = 0; | ||
| initTerrain() { | ||
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| var geometry = new THREE.PlaneGeometry(this.sizeX, this.sizeY, this.rows, this.columns ); | ||
| var material = new THREE.MeshBasicMaterial( { color: 0xffffff, flatShading : THREE.FlatShading, side: THREE.DoubleSide, vertexColors: THREE.FaceColors} ); | ||
| var plane = new THREE.Mesh( geometry, material ); | ||
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| plane.rotateX(-Math.PI / 2); | ||
| plane.position.y = -20; | ||
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| this.columns = this.columns + 1; | ||
| this.rows = this.rows + 1; | ||
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| for (let i = 0; i < this.columns; i=i+1) { | ||
| for (let j = 0; j < this.rows; j=j+1) { | ||
| let offset = j + i * this.rows; | ||
| let perlingVal = Math.abs(noise.simplex2(i/ this.resolution, j/ this.resolution)) * this.maxHeight; | ||
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| let perlingValColor = Math.abs(noise.simplex2(i/ 160, j/ 160)); | ||
| let perlingValGroundColor = Math.abs(noise.simplex2(i/ 160, j/ 160)); | ||
| let perlingValSnowColor = Math.abs(noise.simplex2(i/ 160 + 1000, j/ 160 + 1000)); | ||
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| geometry.vertices[offset].z = perlingVal; | ||
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| let r_v = 0; | ||
| let g_v = (perlingVal / this.maxHeight) * 0.8 + 0.2; | ||
| let b_v = 0; | ||
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| if (perlingVal < 1.5) { | ||
| r_v = 0; | ||
| geometry.vertices[offset].z = 1 ; | ||
| b_v = perlingValColor * 0.8 + 0.2; | ||
| g_v = 0; | ||
| } | ||
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| if ((perlingVal > 8) && (perlingVal < 12)) { | ||
| if (perlingValGroundColor < (0.3 + 0.1 * Math.random())) { | ||
| r_v = 0.3 + perlingValGroundColor * 0.2; | ||
| g_v = 0.2 + perlingValGroundColor * 0.2 + perlingVal /this. maxHeight * 0.4; | ||
| b_v = 0; | ||
| } | ||
| } | ||
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| if (perlingVal > (16 + Math.random() * 2)) { | ||
| if (perlingValSnowColor < (0.3 + 0.1 * Math.random())) | ||
| { | ||
| r_v = perlingValSnowColor * 0.29 + Math.random() * 0.01 + 0.7; | ||
| g_v = perlingValSnowColor * 0.29 + Math.random() * 0.01 + 0.7; | ||
| b_v = perlingValSnowColor * 0.29 + Math.random() * 0.01 + 0.7; | ||
| } | ||
| } | ||
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| if (offset < plane.geometry.faces.length / 2 + this.columns - 2) { | ||
| plane.geometry.faces[offset * 2 + 1 - i * 2].color.setRGB(r_v, g_v, b_v); | ||
| plane.geometry.faces[offset * 2 + 0 - i * 2].color.setRGB(r_v, g_v, b_v); | ||
| } | ||
| } | ||
| } | ||
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| if (perlingVal > 16) { | ||
| r_v = 1; | ||
| g_v = 1; | ||
| b_v = 1; | ||
| } | ||
| geometry.dynamic = true; | ||
| geometry.__dirtyVertices = true; | ||
| geometry.__dirtyNormals = true; | ||
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| if (offset < plane.geometry.faces.length / 2 + columns - 2) { | ||
| plane.geometry.faces[offset * 2 + 1 - i * 2].color.setRGB(r_v, g_v, b_v); | ||
| plane.geometry.faces[offset * 2 + 0 - i * 2].color.setRGB(r_v, g_v, b_v); | ||
| } | ||
| } | ||
| return plane; | ||
| } | ||
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| geometry.dynamic = true; | ||
| geometry.__dirtyVertices = true; | ||
| geometry.__dirtyNormals = true; | ||
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| return plane; | ||
| } | ||
| } |
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