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Enable and improve tool diameter simulation #2

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Enable and improve tool diameter simulation #2

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4 changes: 1 addition & 3 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -209,16 +209,14 @@



<!--
<label for="toolDiameter">toolDiameter(mm):</label>
<input type="number" id="toolDiameter" value="2.5" step="0.1" min="0.1" max="1" onchange="toolDiameterChange()">
<input type="number" id="toolDiameter" value="2.5" step="0.1" min="0.1" onchange="toolDiameterChange()">
<label for="toolType">toolType:</label>
<select id="toolType" onchange="toolTypeChange()">
<option value="add">3D printer</option>
<option value="remove" selected>CNC</option>
</select>
<button id="simulate" onclick="bt_simulate()">simulate</button>
-->


</div>
Expand Down
113 changes: 68 additions & 45 deletions script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1745,62 +1745,64 @@ function bt_simulate() {
alert("no gcode loaded");
return;
}

var segments = gCode.g1Segments;
if (!segments || segments.length === 0) {
alert("Not enough G1 path data to simulate");
return;
}

var toolDiameter = parseFloat(document.getElementById('toolDiameter').value);
var toolType = document.getElementById('toolType').value;

var simulationGroup = new THREE.Group();

if (toolType === "remove") {
//CNC
var cnc = new THREE.Group();
//use the boundaray of the gcode to draw a 0.5 transparent white box
// 计算模型的包围盒
// CNC Simulation
var boundingBox = new THREE.Box3().setFromObject(gCode);
// 创建白色mash材质
var material = new THREE.MeshBasicMaterial({ color: 0xffffff, transparent: true, opacity: 0.5 });
// 创建包围盒模型
var box = new THREE.Mesh(new THREE.BoxGeometry(boundingBox.max.x - boundingBox.min.x, boundingBox.max.y - boundingBox.min.y, boundingBox.max.z - boundingBox.min.z), material);
// 设置包围盒模型的位置
box.position.set((boundingBox.max.x + boundingBox.min.x) / 2, (boundingBox.max.y + boundingBox.min.y) / 2, (boundingBox.max.z + boundingBox.min.z) / 2);
// 将包围盒模型添加到场景中
cnc.add(box);
var h = boundingBox.max.z - boundingBox.min.z;
//创造以toolDamteter为半径的圆柱体
var cylinderGeometry = new THREE.CylinderGeometry(toolDiameter / 2, toolDiameter / 2, h, 32);
var middleShape = new THREE.Shape();
middleShape.moveTo(0, 0);
middleShape.lineTo(0, h);
middleShape.lineTo(toolDiameter, h);
middleShape.lineTo(toolDiameter, 0);
middleShape.lineTo(0, 0);
var extrudeSettings = {
steps: 100,
bevelEnabled: false,
extrudePath: gCode.children[1]
};
var extrudeGeometry = new THREE.ExtrudeGeometry(middleShape, extrudeSettings);
var cut = new THREE.Mesh(extrudeGeometry, new THREE.MeshBasicMaterial({ color: 0x000000 }));
cnc.add(cut);
gCode.children[3].forEach(element => {
cylinderGeometry.position.set(element.x, element.y, element.z);
cnc.add(new THREE.Mesh(cylinderGeometry, new THREE.MeshBasicMaterial({ color: 0x000000 })));
});
scene.add(cnc);
}
else if (toolType === "add") {
//3dprinter
var curve = gCode.children[1];
var circleShape = new THREE.Shape();
circleShape.absarc(0, 0, toolDiameter, 0, Math.PI * 2, false);
var box = new THREE.Mesh(
new THREE.BoxGeometry(
boundingBox.max.x - boundingBox.min.x,
boundingBox.max.y - boundingBox.min.y,
boundingBox.max.z - boundingBox.min.z
),
material
);
box.position.set(
(boundingBox.max.x + boundingBox.min.x) / 2,
(boundingBox.max.y + boundingBox.min.y) / 2,
(boundingBox.max.z + boundingBox.min.z) / 2
);
simulationGroup.add(box);
}

var circleShape = new THREE.Shape();
circleShape.absarc(0, 0, toolDiameter / 2, 0, Math.PI * 2, false);
var meshMaterial = (toolType === "remove") ?
new THREE.MeshBasicMaterial({ color: 0x000000 }) :
new THREE.MeshBasicMaterial({ color: 0xffffff, transparent: true, opacity: 0.5 });

segments.forEach(function (segment) {
if (segment.length < 2) return;

var curve = new THREE.CurvePath();
for (var i = 0; i < segment.length - 1; i++) {
curve.add(new THREE.LineCurve3(segment[i], segment[i + 1]));
}

var extrudeSettings = {
steps: 100,
steps: segment.length,
bevelEnabled: false,
extrudePath: curve
};

// 创建挤出几何体
var extrudeGeometry = new THREE.ExtrudeGeometry(circleShape, extrudeSettings);
// 创建网格并添加到场景中
var prints = new THREE.Mesh(extrudeGeometry, new THREE.MeshBasicMaterial({ color: 0xffffff, transparent: true, opacity: 0.5 }));
scene.add(prints);
}
var mesh = new THREE.Mesh(extrudeGeometry, meshMaterial);
simulationGroup.add(mesh);
});

scene.add(simulationGroup);
}

function adjustAxisFor3DPrint() {
Expand Down Expand Up @@ -2400,6 +2402,8 @@ function parseGcode(contents, x, y, z, a, lineNumber, pre) {

var geometries = new THREE.Group();
geometries.name = "GCODE";
geometries.g1Segments = [];
var currentSegment = [];
//var x = 0, y = 0, z = 0, a = 0; // 增加a变量来保存A轴的值
//var oldx = 0, oldy = 0, oldz = 0, olda = 0; // 增加a变量来保存A轴的值
var oldx = x, oldy = y, oldz = z, olda = a, oldLineNum = lineNumber; // 增加a变量来保存A轴的值
Expand Down Expand Up @@ -2438,6 +2442,11 @@ function parseGcode(contents, x, y, z, a, lineNumber, pre) {
var tpt = new THREE.Vector3(oldx, oldy, oldz).applyAxisAngle(new THREE.Vector3(0, 1, 0), olda);
tpt.name = "1G" + oldLineNum;
g0Geometry.vertices.push(tpt); // 在顶点上应用旋转

if (currentSegment.length > 1) {
geometries.g1Segments.push(currentSegment);
}
currentSegment = [];
}
pt.name = "0G" + (i + lineNumber);
g0Geometry.vertices.push(pt); //前一段线的终点
Expand All @@ -2451,10 +2460,13 @@ function parseGcode(contents, x, y, z, a, lineNumber, pre) {
var tpt = new THREE.Vector3(oldx, oldy, oldz).applyAxisAngle(new THREE.Vector3(0, 1, 0), olda);
tpt.name = "0G" + oldLineNum;
g1Geometry.vertices.push(tpt); // 在顶点上应用旋转

currentSegment = [tpt.clone()];
}
pt.name = "1G" + (i + lineNumber);
g1Geometry.vertices.push(pt); //前一段线的终点
g1Geometry.vertices.push(pt); //后一段线的起点
currentSegment.push(pt.clone());
oldCode = "G1";
}
oldx = x;
Expand All @@ -2468,6 +2480,9 @@ function parseGcode(contents, x, y, z, a, lineNumber, pre) {
// while (g0Geometry.vertices[1] !== g0Geometry.vertices[2]) { g0Geometry.vertices.shift(); }
while (g1Geometry.vertices[1] !== g1Geometry.vertices[2]) { g1Geometry.vertices.shift(); }
//尾对齐
if (currentSegment.length > 1) {
geometries.g1Segments.push(currentSegment);
}
if (g0Geometry.vertices[g0Geometry.vertices.length - 1] === g0Geometry.vertices[g0Geometry.vertices.length - 2]) {
g0Geometry.vertices.pop();
}
Expand Down Expand Up @@ -2541,3 +2556,11 @@ function calculatePoint3(movePoint, followPoint) {
var direction = new THREE.Vector3().subVectors(movePoint, new THREE.Vector3(0, 0, 0)).normalize();
return newPoint1 = direction.clone().multiplyScalar(distance);
}

function toolDiameterChange() {
console.log("toolDiameter changed to: " + document.getElementById('toolDiameter').value);
}

function toolTypeChange() {
console.log("toolType changed to: " + document.getElementById('toolType').value);
}
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