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Diffstat (limited to 'tests/manual/custom-mesh-update-data-qml/main.qml')
| -rw-r--r-- | tests/manual/custom-mesh-update-data-qml/main.qml | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/tests/manual/custom-mesh-update-data-qml/main.qml b/tests/manual/custom-mesh-update-data-qml/main.qml new file mode 100644 index 000000000..e95c05a26 --- /dev/null +++ b/tests/manual/custom-mesh-update-data-qml/main.qml @@ -0,0 +1,287 @@ +/**************************************************************************** +** +** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB). +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.2 as QQ2 +import Qt3D.Core 2.0 +import Qt3D.Render 2.0 +import Qt3D.Input 2.0 +import Qt3D.Extras 2.0 + +Entity { + id: sceneRoot + + Camera { + id: camera + projectionType: CameraLens.PerspectiveProjection + fieldOfView: 45 + aspectRatio: 16/9 + nearPlane : 0.1 + farPlane : 1000.0 + position: Qt.vector3d( 0.0, 0.0, 40.0 ) + upVector: Qt.vector3d( 0.0, 1.0, 0.0 ) + viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 ) + } + + OrbitCameraController { camera: camera } + + components: [ + RenderSettings { + activeFrameGraph: ForwardRenderer { + clearColor: Qt.rgba(0.5, 0.5, 1, 1) + camera: camera + } + }, + // Event Source will be set by the Qt3DQuickWindow + InputSettings { } + ] + + PerVertexColorMaterial { + id: material + } + + function buildVertexBufferData() + { + // Vertices + var v0 = Qt.vector3d(-1.0, 0.0, -1.0) + var v1 = Qt.vector3d(1.0, 0.0, -1.0) + var v2 = Qt.vector3d(0.0, 1.0, 0.0) + var v3 = Qt.vector3d(0.0, 0.0, 1.0) + + // Face Normals + function normal(v0, v1, v2) { + return v1.minus(v0).crossProduct(v2.minus(v0)).normalized(); + } + var n023 = normal(v0, v2, v3) + var n012 = normal(v0, v1, v2) + var n310 = normal(v3, v1, v0) + var n132 = normal(v1, v3, v2) + + // Vector normals + var n0 = n023.plus(n012).plus(n310).normalized() + var n1 = n132.plus(n012).plus(n310).normalized() + var n2 = n132.plus(n012).plus(n023).normalized() + var n3 = n132.plus(n310).plus(n023).normalized() + + // Colors + var red = Qt.vector3d(1.0, 0.0, 0.0) + var green = Qt.vector3d(0.0, 1.0, 0.0) + var blue = Qt.vector3d(0.0, 0.0, 1.0) + var white = Qt.vector3d(1.0, 1.0, 1.0) + + var vertices = [ + v0, n0, red, + v1, n1, blue, + v2, n2, green, + v3, n3, white + ] + + var vertexArray = new Float32Array(4 * (3 + 3 + 3)); + var i = 0; + + vertices.forEach(function(vec3) { + vertexArray[i++] = vec3.x; + vertexArray[i++] = vec3.y; + vertexArray[i++] = vec3.z; + }); + + return vertexArray; + } + + function buildIndexBufferData() + { + var indexArray = new Uint16Array(12); + + // Front + indexArray[0] = 0; + indexArray[1] = 1; + indexArray[2] = 2; + // Bottom + indexArray[3] = 3; + indexArray[4] = 1; + indexArray[5] = 0; + // Left + indexArray[6] = 0; + indexArray[7] = 2; + indexArray[8] = 3; + // Right + indexArray[9] = 1; + indexArray[10] = 3; + indexArray[11] = 2; + + return indexArray; + } + + function updateVertexColor() + { + var angle = colorBufferTimerUpdate.angle + + var c1 = Qt.vector3d(Math.abs(Math.cos(angle + Math.PI * 0.25)), + Math.abs(Math.sin(angle)), + Math.abs(Math.cos(angle))); + var c2 = Qt.vector3d(Math.abs(Math.sin(angle)), + Math.abs(Math.cos(angle + Math.PI * 0.25)), + Math.abs(Math.sin(angle + Math.PI * 0.25))); + var c3 = Qt.vector3d(Math.abs(Math.sin(angle + Math.PI * 0.25)), + Math.abs(Math.sin(angle)), + Math.abs(Math.cos(angle))); + + var cols = [c1, c2, c3]; + + var byteOffset = 6.0 * 4.0 // 6 * sizeof(float) + var stride = 9.0 * 4.0 // 9 * sizeof(float) + var colorArray = new Float32Array(3) + cols.forEach(function(vec3Col) { + colorArray[0] = vec3Col.x + colorArray[1] = vec3Col.y + colorArray[2] = vec3Col.z + vertexBuffer.updateData(byteOffset, colorArray) + byteOffset += stride + }); + + colorBufferTimerUpdate.angle += Math.PI / 360.0; + } + + QQ2.Timer { + id: colorBufferTimerUpdate + interval: 16 + repeat: true + running: true + property real angle: 0 + onTriggered: { + updateVertexColor() + } + } + + GeometryRenderer { + id: customMesh + instanceCount: 1 + indexOffset: 0 + firstInstance: 0 + primitiveType: GeometryRenderer.Triangles + Buffer { + id: vertexBuffer + type: Buffer.VertexBuffer + data: buildVertexBufferData() + } + + Buffer { + id: indexBuffer + type: Buffer.IndexBuffer + data: buildIndexBufferData() + } + geometry: Geometry { + Attribute { + attributeType: Attribute.VertexAttribute + vertexBaseType: Attribute.Float + vertexSize: 3 + byteOffset: 0 + byteStride: 9 * 4 + count: 4 + name: defaultPositionAttributeName() + buffer: vertexBuffer + } + + Attribute { + attributeType: Attribute.VertexAttribute + vertexBaseType: Attribute.Float + vertexSize: 3 + byteOffset: 3 * 4 + byteStride: 9 * 4 + count: 4 + name: defaultNormalAttributeName() + buffer: vertexBuffer + } + + Attribute { + attributeType: Attribute.VertexAttribute + vertexBaseType: Attribute.Float + vertexSize: 3 + byteOffset: 6 * 4 + byteStride: 9 * 4 + count: 4 + name: defaultColorAttributeName() + buffer: vertexBuffer + } + + Attribute { + attributeType: Attribute.IndexAttribute + vertexBaseType: Attribute.UnsignedShort + vertexSize: 1 + byteOffset: 0 + byteStride: 0 + count: 12 + buffer: indexBuffer + } + } + } + + Transform { + id: meshTransform + property real userAngle: 0.0 + scale: 10 + rotation: fromAxisAndAngle(Qt.vector3d(0, 1, 0), userAngle) + } + + QQ2.NumberAnimation { + target: meshTransform + property: "userAngle" + duration: 10000 + from: 0 + to: 360 + + loops: QQ2.Animation.Infinite + running: true + } + + Entity { + id: sphereEntity + components: [ customMesh, material, meshTransform ] + } +} |