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// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import Qt3D.Core 2.0
import Qt3D.Render 2.0
import Qt3D.Input 2.0
import Qt3D.Extras 2.0
Entity {
id: root
property vector3d origin
property vector3d direction
property real length: 1
components: [ mesh, material ]
function buildVertexBufferData(o, d, l) {
// Vertices
var v0 = o
var v1 = o.plus(d.times(l))
var vertices = [ v1, v0 ]
var vertexArray = new Float32Array(vertices.length * 3);
var i = 0;
vertices.forEach(function(vec3) {
vertexArray[i++] = vec3.x;
vertexArray[i++] = vec3.y;
vertexArray[i++] = vec3.z;
});
return vertexArray;
}
Buffer {
id: vertexBuffer
data: buildVertexBufferData(root.origin, root.direction, root.length)
}
GeometryRenderer {
id: mesh
instanceCount: 1
indexOffset: 0
firstInstance: 0
primitiveType: GeometryRenderer.Lines
geometry: Geometry {
Attribute {
attributeType: Attribute.VertexAttribute
vertexBaseType: Attribute.Float
vertexSize: 3
byteOffset: 0
count: 2
name: defaultPositionAttributeName
buffer: vertexBuffer
}
}
}
LineMaterial {
id: material
maincolor: "white"
}
}
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