163 lines
6.2 KiB
MQL5
163 lines
6.2 KiB
MQL5
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//+------------------------------------------------------------------+
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//| DXSurface.mqh |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2000-2025, MetaQuotes Ltd."
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#property link "https://www.mql5.com"
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//---
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#include "DXMesh.mqh"
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#include "DXMath.mqh"
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#include "DXUtils.mqh"
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//+------------------------------------------------------------------+
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//| 3D Box object |
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//+------------------------------------------------------------------+
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class CDXSurface : public CDXMesh
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{
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public:
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//--- surface creation flags
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enum EN_SURFACE_FLAGS
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{
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SF_NONE =0x0,
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SF_TWO_SIDED =0x1,
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SF_USE_NORMALS =0x2,
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};
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//--- surface color scheme
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enum EN_COLOR_SCHEME
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{
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CS_NONE =0,
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CS_JET =1,
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CS_COLD_TO_HOT =2,
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CS_RED_TO_GREEN=3
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};
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protected:
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uint m_data_width;
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uint m_data_height;
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uint m_flags;
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EN_COLOR_SCHEME m_color_scheme;
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public:
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CDXSurface();
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~CDXSurface();
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//--- create bon in specified context
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bool Create(CDXDispatcher &dispatcher,CDXInput* buffer_scene,double &data[],uint m_data_widht,uint m_data_height,float data_range,const DXVector3 &from,const DXVector3 &to,DXVector2 &texture_size,uint flags=SF_NONE,EN_COLOR_SCHEME color_scheme=CS_NONE);
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//--- update box
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bool Update(double &data[],uint m_data_widht,uint m_data_height,float data_range,const DXVector3 &from,const DXVector3 &to,DXVector2 &texture_size,uint flags=0,EN_COLOR_SCHEME color_scheme=CS_NONE);
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private:
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//---
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void PrepareColors(DXVertex &vertices[],const DXVector3 &from,const DXVector3 &to);
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};
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//+------------------------------------------------------------------+
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//| Class constructor |
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//+------------------------------------------------------------------+
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void CDXSurface::CDXSurface() : CDXMesh()
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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void CDXSurface::~CDXSurface(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create box in specified context |
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//+------------------------------------------------------------------+
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bool CDXSurface::Create(CDXDispatcher &dispatcher,CDXInput* buffer_scene,
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double &data[],uint data_width,uint data_height,float data_range,
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const DXVector3 &from,const DXVector3 &to,DXVector2 &texture_size,
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uint flags=SF_NONE,EN_COLOR_SCHEME color_scheme=CS_NONE)
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{
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//--- release previous buffers
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Shutdown();
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//--- save parameters
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m_data_width =data_width;
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m_data_height =data_height;
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m_flags =flags;
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m_color_scheme=color_scheme;
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//---
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DXVertex vertices[];
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uint indices[];
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//--- prepare surface vertices and indices
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DXColor white=DXColor(1.0f,1.0f,1.0f,1.0f);
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if(!DXComputeSurface(data,data_width,data_height,data_range,from,to,texture_size,flags&SF_TWO_SIDED,flags&SF_USE_NORMALS,vertices,indices))
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return(false);
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//--- calculate colors
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PrepareColors(vertices,from,to);
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//--- create mesh
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return(CDXMesh::Create(dispatcher,buffer_scene,vertices,indices));
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}
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//+------------------------------------------------------------------+
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//| Update box bounds |
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//+------------------------------------------------------------------+
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bool CDXSurface::Update(double &data[],uint data_width,uint data_height,float data_range,
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const DXVector3 &from,const DXVector3 &to,DXVector2 &texture_size,
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uint flags=0,EN_COLOR_SCHEME color_scheme=CS_NONE)
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{
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//---
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DXVertex vertices[];
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uint indices[];
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//--- prepare surface vertices and indices
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DXColor white=DXColor(1.0f,1.0f,1.0f,1.0f);
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if(!DXComputeSurface(data,data_width,data_height,data_range,from,to,texture_size,flags&SF_TWO_SIDED,flags&SF_USE_NORMALS,vertices,indices))
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return(false);
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//--- calculate colors
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m_color_scheme=color_scheme;
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PrepareColors(vertices,from,to);
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//--- update vertices
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bool res=CDXMesh::VerticesSet(vertices);
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//--- do not update indices if vertices relations are the same
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if(m_data_width!=data_width || m_data_height!=data_height || (m_flags&SF_TWO_SIDED)!=(flags&SF_TWO_SIDED))
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res=res && CDXMesh::IndicesSet(indices);
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//--- check result
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if(!res)
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{
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Shutdown();
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return(false);
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}
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//--- save parameters
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m_data_width =data_width;
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m_data_height =data_height;
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m_flags =flags;
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//--- success
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Update box bounds |
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//+------------------------------------------------------------------+
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void CDXSurface::PrepareColors(DXVertex &vertices[],const DXVector3 &from,const DXVector3 &to)
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{
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uint count=ArraySize(vertices);
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float scale=1.0f/(fmax(FLT_EPSILON,to.y-from.y));
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switch(m_color_scheme)
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{
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case CS_JET:
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{
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for(uint i=0; i<count; i++)
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DXComputeColorJet((vertices[i].position.y-from.y)*scale,vertices[i].vcolor);
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break;
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}
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case CS_COLD_TO_HOT:
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{
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for(uint i=0; i<count; i++)
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DXComputeColorColdToHot((vertices[i].position.y-from.y)*scale,vertices[i].vcolor);
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break;
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}
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case CS_RED_TO_GREEN:
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{
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for(uint i=0; i<count; i++)
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DXComputeColorRedToGreen((vertices[i].position.y-from.y)*scale,vertices[i].vcolor);
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break;
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}
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default:
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{
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DXColor white=DXColor(1.0f,1.0f,1.0f,1.0f);
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for(uint i=0; i<count; i++)
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vertices[i].vcolor=white;
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break;
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}
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}
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}
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//+------------------------------------------------------------------+
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