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