2019-11-23 20:27:39 +08:00
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/****************************************************************************
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Copyright (c) 2011 ForzeField Studios S.L.
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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2022-10-01 16:24:52 +08:00
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https://axmolengine.github.io/
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2019-11-23 20:27:39 +08:00
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN false EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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2023-06-11 13:08:08 +08:00
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#include "3d/MotionStreak3D.h"
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2021-12-25 10:04:45 +08:00
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#include <stddef.h> // offsetof
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2023-06-11 13:08:08 +08:00
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#include "base/Types.h"
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#include "math/Vertex.h"
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#include "base/Director.h"
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#include "base/Utils.h"
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#include "renderer/TextureCache.h"
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#include "renderer/Texture2D.h"
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#include "renderer/Renderer.h"
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#include "renderer/RenderState.h"
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#include "renderer/Shaders.h"
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2019-11-23 20:27:39 +08:00
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2022-07-11 17:50:21 +08:00
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NS_AX_BEGIN
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2019-11-23 20:27:39 +08:00
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MotionStreak3D::MotionStreak3D()
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: _startingPositionInitialized(false)
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, _texture(nullptr)
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, _blendFunc(BlendFunc::ALPHA_NON_PREMULTIPLIED)
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, _positionR2D(0.f, 0.f)
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, _sweepAxis(0.f, 1.f, 0.f)
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, _stroke(0.0f)
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, _fadeDelta(0.0f)
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, _minSeg(0.0f)
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, _maxPoints(0)
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, _nuPoints(0)
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, _previousNuPoints(0)
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{}
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MotionStreak3D::~MotionStreak3D()
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{
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AX_SAFE_RELEASE(_texture);
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}
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MotionStreak3D* MotionStreak3D::create(float fade,
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float minSeg,
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float stroke,
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const Color3B& color,
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std::string_view path)
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{
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MotionStreak3D* ret = new MotionStreak3D();
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if (ret && ret->initWithFade(fade, minSeg, stroke, color, path))
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{
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ret->autorelease();
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return ret;
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}
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AX_SAFE_DELETE(ret);
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return nullptr;
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}
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MotionStreak3D* MotionStreak3D::create(float fade, float minSeg, float stroke, const Color3B& color, Texture2D* texture)
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{
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MotionStreak3D* ret = new MotionStreak3D();
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if (ret && ret->initWithFade(fade, minSeg, stroke, color, texture))
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{
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ret->autorelease();
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return ret;
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}
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AX_SAFE_DELETE(ret);
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return nullptr;
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}
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2021-12-31 12:12:40 +08:00
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bool MotionStreak3D::initWithFade(float fade, float minSeg, float stroke, const Color3B& color, std::string_view path)
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{
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AXASSERT(!path.empty(), "Invalid filename");
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Texture2D* texture = _director->getTextureCache()->addImage(path);
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2019-11-23 20:27:39 +08:00
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return initWithFade(fade, minSeg, stroke, color, texture);
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}
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bool MotionStreak3D::initWithFade(float fade, float minSeg, float stroke, const Color3B& color, Texture2D* texture)
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{
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Node::setPosition(Vec2::ZERO);
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setAnchorPoint(Vec2::ZERO);
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setIgnoreAnchorPointForPosition(true);
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_startingPositionInitialized = false;
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_positionR.setZero();
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_minSeg = (minSeg == -1.0f) ? stroke / 5.0f : minSeg;
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_minSeg *= _minSeg;
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2021-12-25 10:04:45 +08:00
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_stroke = stroke;
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_fadeDelta = 1.0f / fade;
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_maxPoints = (int)(fade * 60.0f) + 2;
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_nuPoints = 0;
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2019-11-23 20:27:39 +08:00
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_pointState.resize(_maxPoints);
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_pointVertexes.resize(_maxPoints);
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_vertexData.resize(_maxPoints * 2);
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// Set blend mode
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_blendFunc = BlendFunc::ALPHA_NON_PREMULTIPLIED;
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// shader state
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2023-08-13 00:24:35 +08:00
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auto* program = backend::Program::getBuiltinProgram(backend::ProgramType::POSITION_TEXTURE_COLOR);
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setProgramState(new backend::ProgramState(program), false);
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2019-11-23 20:27:39 +08:00
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_customCommand.getPipelineDescriptor().programState = _programState;
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initCustomCommand();
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setTexture(texture);
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setColor(color);
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scheduleUpdate();
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return true;
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}
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void MotionStreak3D::initCustomCommand()
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{
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_customCommand.setDrawType(CustomCommand::DrawType::ARRAY);
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_customCommand.setPrimitiveType(CustomCommand::PrimitiveType::TRIANGLE_STRIP);
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2021-12-25 10:04:45 +08:00
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auto& pipelineDescriptor = _customCommand.getPipelineDescriptor();
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2021-12-25 10:04:45 +08:00
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auto& blend = pipelineDescriptor.blendDescriptor;
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blend.blendEnabled = true;
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2019-11-23 20:27:39 +08:00
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blend.sourceAlphaBlendFactor = blend.sourceRGBBlendFactor = _blendFunc.src;
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blend.destinationAlphaBlendFactor = blend.destinationRGBBlendFactor = _blendFunc.dst;
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_locMVP = _programState->getUniformLocation("u_MVPMatrix");
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2022-07-05 00:39:20 +08:00
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_locTexture = _programState->getUniformLocation("u_tex0");
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2019-11-23 20:27:39 +08:00
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_customCommand.createVertexBuffer(sizeof(VertexData), _vertexData.size(), CustomCommand::BufferUsage::DYNAMIC);
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}
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void MotionStreak3D::setPosition(const Vec2& position)
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{
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if (!_startingPositionInitialized)
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{
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2019-11-23 20:27:39 +08:00
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_startingPositionInitialized = true;
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}
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_positionR = Vec3(position.x, position.y, 0);
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}
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void MotionStreak3D::setPosition(float x, float y)
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{
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if (!_startingPositionInitialized)
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{
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_startingPositionInitialized = true;
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}
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_positionR.x = x;
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_positionR.y = y;
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}
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void MotionStreak3D::setPosition3D(const Vec3& position)
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{
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if (!_startingPositionInitialized)
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{
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_startingPositionInitialized = true;
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}
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_positionR = position;
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}
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2021-12-25 10:04:45 +08:00
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void MotionStreak3D::setRotation3D(const Vec3& /*rotation*/) {}
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2021-12-25 10:04:45 +08:00
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void MotionStreak3D::setRotationQuat(const Quaternion& /*quat*/) {}
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const Vec2& MotionStreak3D::getPosition() const
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{
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_positionR2D.x = _positionR.x;
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_positionR2D.y = _positionR.y;
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return _positionR2D;
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}
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void MotionStreak3D::getPosition(float* x, float* y) const
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{
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*x = _positionR.x;
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*y = _positionR.y;
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}
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float MotionStreak3D::getPositionX() const
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{
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return _positionR.x;
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}
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Vec3 MotionStreak3D::getPosition3D() const
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{
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return Vec3(_positionR.x, _positionR.y, getPositionZ());
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}
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void MotionStreak3D::setPositionX(float x)
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{
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if (!_startingPositionInitialized)
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{
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2019-11-23 20:27:39 +08:00
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_startingPositionInitialized = true;
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}
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_positionR.x = x;
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}
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float MotionStreak3D::getPositionY() const
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{
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return _positionR.y;
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2019-11-23 20:27:39 +08:00
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}
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void MotionStreak3D::setPositionY(float y)
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{
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if (!_startingPositionInitialized)
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{
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2019-11-23 20:27:39 +08:00
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_startingPositionInitialized = true;
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}
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_positionR.y = y;
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}
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void MotionStreak3D::tintWithColor(const Color3B& colors)
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{
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setColor(colors);
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// Fast assignation
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for (unsigned int i = 0; i < _nuPoints * 2; i++)
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{
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auto& color = _vertexData[i].color;
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color.set(colors.r, colors.g, colors.b, color.a);
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}
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}
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Texture2D* MotionStreak3D::getTexture() const
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{
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return _texture;
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}
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2021-12-25 10:04:45 +08:00
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void MotionStreak3D::setTexture(Texture2D* texture)
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{
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if (_texture != texture)
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{
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AX_SAFE_RETAIN(texture);
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AX_SAFE_RELEASE(_texture);
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2019-11-23 20:27:39 +08:00
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_texture = texture;
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_programState->setTexture(_locTexture, 0, _texture->getBackendTexture());
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}
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}
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2021-12-25 10:04:45 +08:00
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void MotionStreak3D::setBlendFunc(const BlendFunc& blendFunc)
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{
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_blendFunc = blendFunc;
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}
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const BlendFunc& MotionStreak3D::getBlendFunc() const
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{
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return _blendFunc;
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}
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void MotionStreak3D::setOpacity(uint8_t /*opacity*/)
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{
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AXASSERT(false, "Set opacity no supported");
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2019-11-23 20:27:39 +08:00
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}
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uint8_t MotionStreak3D::getOpacity() const
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{
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AXASSERT(false, "Opacity no supported");
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2019-11-23 20:27:39 +08:00
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return 0;
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}
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2021-12-25 10:04:45 +08:00
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void MotionStreak3D::setOpacityModifyRGB(bool /*bValue*/) {}
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2019-11-23 20:27:39 +08:00
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bool MotionStreak3D::isOpacityModifyRGB() const
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{
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return false;
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}
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void MotionStreak3D::update(float delta)
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{
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if (!_startingPositionInitialized)
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{
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return;
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}
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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delta *= _fadeDelta;
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unsigned int newIdx, newIdx2, i, i2;
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unsigned int mov = 0;
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// Update current points
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for (i = 0; i < _nuPoints; i++)
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2019-11-23 20:27:39 +08:00
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{
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2021-12-25 10:04:45 +08:00
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_pointState[i] -= delta;
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2019-11-23 20:27:39 +08:00
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2021-12-25 10:04:45 +08:00
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if (_pointState[i] <= 0)
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mov++;
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else
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{
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2021-12-25 10:04:45 +08:00
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newIdx = i - mov;
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2019-11-23 20:27:39 +08:00
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2021-12-25 10:04:45 +08:00
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if (mov > 0)
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2019-11-23 20:27:39 +08:00
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{
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// Move data
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_pointState[newIdx] = _pointState[i];
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// Move point
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_pointVertexes[newIdx] = _pointVertexes[i];
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// Move vertices
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i2 = i * 2;
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newIdx2 = newIdx * 2;
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_vertexData[newIdx2].pos = _vertexData[i2].pos;
|
|
|
|
_vertexData[newIdx2 + 1].pos = _vertexData[i2 + 1].pos;
|
2019-11-23 20:27:39 +08:00
|
|
|
|
|
|
|
// Move color
|
2021-12-25 10:04:45 +08:00
|
|
|
_vertexData[newIdx2].color = _vertexData[i2].color;
|
2019-11-23 20:27:39 +08:00
|
|
|
_vertexData[newIdx2 + 1].color = _vertexData[i2 + 1].color;
|
2021-12-25 10:04:45 +08:00
|
|
|
}
|
|
|
|
else
|
|
|
|
newIdx2 = newIdx * 2;
|
2019-11-23 20:27:39 +08:00
|
|
|
|
2021-12-25 10:04:45 +08:00
|
|
|
const uint8_t op = (uint8_t)(_pointState[newIdx] * 255.0f);
|
|
|
|
_vertexData[newIdx2].color.a = op;
|
|
|
|
_vertexData[newIdx2 + 1].color.a = op;
|
2019-11-23 20:27:39 +08:00
|
|
|
}
|
|
|
|
}
|
2021-12-25 10:04:45 +08:00
|
|
|
_nuPoints -= mov;
|
2019-11-23 20:27:39 +08:00
|
|
|
|
|
|
|
// Append new point
|
|
|
|
bool appendNewPoint = true;
|
2021-12-25 10:04:45 +08:00
|
|
|
if (_nuPoints >= _maxPoints)
|
2019-11-23 20:27:39 +08:00
|
|
|
{
|
|
|
|
appendNewPoint = false;
|
|
|
|
}
|
|
|
|
|
2021-12-25 10:04:45 +08:00
|
|
|
else if (_nuPoints > 0)
|
2019-11-23 20:27:39 +08:00
|
|
|
{
|
2021-12-25 10:04:45 +08:00
|
|
|
bool a1 = (_pointVertexes[_nuPoints - 1] - _positionR).lengthSquared() < _minSeg;
|
|
|
|
bool a2 = (_nuPoints == 1) ? false
|
|
|
|
: ((_pointVertexes[_nuPoints - 2] - _positionR).lengthSquared() < (_minSeg * 2.0f));
|
|
|
|
if (a1 || a2)
|
2019-11-23 20:27:39 +08:00
|
|
|
{
|
|
|
|
appendNewPoint = false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-12-25 10:04:45 +08:00
|
|
|
if (appendNewPoint)
|
2019-11-23 20:27:39 +08:00
|
|
|
{
|
|
|
|
_pointVertexes[_nuPoints] = _positionR;
|
2021-12-25 10:04:45 +08:00
|
|
|
_pointState[_nuPoints] = 1.0f;
|
2019-11-23 20:27:39 +08:00
|
|
|
|
|
|
|
// Color assignment
|
2021-12-25 10:04:45 +08:00
|
|
|
_vertexData[_nuPoints * 2].color = Color4B(_displayedColor, 255);
|
2019-11-23 20:27:39 +08:00
|
|
|
_vertexData[_nuPoints * 2 + 1].color = Color4B(_displayedColor, 255);
|
|
|
|
|
|
|
|
// Generate polygon
|
|
|
|
{
|
2021-12-25 10:04:45 +08:00
|
|
|
float stroke = _stroke * 0.5f;
|
|
|
|
_vertexData[_nuPoints * 2].pos = _pointVertexes[_nuPoints] + (_sweepAxis * stroke);
|
2019-11-23 20:27:39 +08:00
|
|
|
_vertexData[_nuPoints * 2 + 1].pos = _pointVertexes[_nuPoints] - (_sweepAxis * stroke);
|
|
|
|
}
|
|
|
|
|
2021-12-25 10:04:45 +08:00
|
|
|
_nuPoints++;
|
2019-11-23 20:27:39 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
// Updated Tex Coords only if they are different than previous step
|
2021-12-25 10:04:45 +08:00
|
|
|
if (_nuPoints && _previousNuPoints != _nuPoints)
|
|
|
|
{
|
2019-11-23 20:27:39 +08:00
|
|
|
float texDelta = 1.0f / _nuPoints;
|
2021-12-25 10:04:45 +08:00
|
|
|
for (i = 0; i < _nuPoints; i++)
|
|
|
|
{
|
|
|
|
_vertexData[i * 2].texPos = Tex2F(0, texDelta * i);
|
|
|
|
_vertexData[i * 2 + 1].texPos = Tex2F(1, texDelta * i);
|
2019-11-23 20:27:39 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
_previousNuPoints = _nuPoints;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void MotionStreak3D::reset()
|
|
|
|
{
|
|
|
|
_nuPoints = 0;
|
|
|
|
}
|
|
|
|
|
2021-12-25 10:04:45 +08:00
|
|
|
void MotionStreak3D::draw(Renderer* renderer, const Mat4& transform, uint32_t flags)
|
2019-11-23 20:27:39 +08:00
|
|
|
{
|
2021-12-25 10:04:45 +08:00
|
|
|
if (_nuPoints <= 1)
|
2019-11-23 20:27:39 +08:00
|
|
|
return;
|
2022-06-24 14:18:48 +08:00
|
|
|
auto beforeCommand = renderer->nextCallbackCommand();
|
|
|
|
auto afterCommand = renderer->nextCallbackCommand();
|
|
|
|
|
|
|
|
beforeCommand->init(_globalZOrder);
|
|
|
|
afterCommand->init(_globalZOrder);
|
2019-11-23 20:27:39 +08:00
|
|
|
_customCommand.init(_globalZOrder, transform, flags);
|
2021-12-25 10:04:45 +08:00
|
|
|
|
|
|
|
auto pmatrix = _director->getMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
|
2019-11-23 20:27:39 +08:00
|
|
|
auto mvpMatrix = pmatrix * transform;
|
2021-12-25 10:04:45 +08:00
|
|
|
|
2019-11-23 20:27:39 +08:00
|
|
|
_programState->setUniform(_locMVP, mvpMatrix.m, sizeof(mvpMatrix.m));
|
|
|
|
|
2022-07-16 10:43:05 +08:00
|
|
|
beforeCommand->func = AX_CALLBACK_0(MotionStreak3D::onBeforeDraw, this);
|
|
|
|
afterCommand->func = AX_CALLBACK_0(MotionStreak3D::onAfterDraw, this);
|
2021-12-25 10:04:45 +08:00
|
|
|
|
2019-11-23 20:27:39 +08:00
|
|
|
_customCommand.updateVertexBuffer(_vertexData.data(), sizeof(_vertexData[0]) * _nuPoints * 2);
|
|
|
|
|
|
|
|
_customCommand.setVertexDrawInfo(0, _nuPoints * 2);
|
|
|
|
|
2022-06-24 14:18:48 +08:00
|
|
|
renderer->addCommand(beforeCommand);
|
2019-11-23 20:27:39 +08:00
|
|
|
renderer->addCommand(&_customCommand);
|
2022-06-24 14:18:48 +08:00
|
|
|
renderer->addCommand(afterCommand);
|
2022-07-16 10:43:05 +08:00
|
|
|
AX_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, _nuPoints * 2);
|
2019-11-23 20:27:39 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
void MotionStreak3D::onBeforeDraw()
|
|
|
|
{
|
2021-12-25 10:04:45 +08:00
|
|
|
auto* renderer = _director->getRenderer();
|
2019-11-23 20:27:39 +08:00
|
|
|
_rendererDepthTest = renderer->getDepthTest();
|
2021-12-25 10:04:45 +08:00
|
|
|
_rendererCullface = renderer->getCullMode();
|
2019-11-23 20:27:39 +08:00
|
|
|
|
|
|
|
renderer->setCullMode(CullMode::NONE);
|
|
|
|
renderer->setDepthTest(true);
|
|
|
|
}
|
|
|
|
|
|
|
|
void MotionStreak3D::onAfterDraw()
|
|
|
|
{
|
2021-12-25 10:04:45 +08:00
|
|
|
auto* renderer = _director->getRenderer();
|
2019-11-23 20:27:39 +08:00
|
|
|
renderer->setDepthTest(_rendererDepthTest);
|
|
|
|
renderer->setCullMode(_rendererCullface);
|
|
|
|
}
|
|
|
|
|
2022-07-11 17:50:21 +08:00
|
|
|
NS_AX_END
|