private void ScaleHeights(float L)
{
label label = new label(SetToolStripLabel);
progres progres = new progres(SetProgressBar);
form.statusStrip1.Invoke(label, "Prebieha škálovanie výšok...");
LinearFunction map_z;
LinearFunction percenta = new LinearFunction(50.0f, 1.0f, 0.5f, 0.01f);
if((maxX-minX)>(maxY-minY))
map_z = new LinearFunction(min, max, 0, (maxX - minX) * percenta.Value(L));
else
map_z = new LinearFunction(min, max, 0, (maxY - minY) * percenta.Value(L));
//System.Diagnostics.Debug.WriteLine("[{0},{1}]",map_z.Value(min),map_z.Value(max));
//System.Windows.Forms.MessageBox.Show("["+map_z.Value(min)+","+map_z.Value(max)+"]");
int d = coords.Count / 100;
float dx = minX + (maxX - minX) / 2.0f;
float dy = minY + (maxY - minY) / 2.0f;
for (int i = 0; i < coords.Count; i++)
{
//vertices[i] = new Vector3( -coords[i].X + dx, coords[i].Y - dy, coords[i].Z / (L * dl) - dz / (L * dl));
vertices[i] = new Vector3(-coords[i].X + dx, coords[i].Y - dy, map_z.Value(coords[i].Z));
if (i % d == 0)
form.statusStrip1.Invoke(progres, i * 100 / coords.Count);
}
}
private void LoadData(string pathToFile)
{
label label = new label(SetToolStripLabel);
progres progres = new progres(SetProgressBar);
form.statusStrip1.Invoke(label, "Prebieha načítavanie dát...");
int count = File.ReadLines(pathToFile).Count();
int d = count / 100;
StreamReader sr;
Vector3 tmp;
char[] separator = { ' ', '\t' };
string[] line;
try
{
sr = new StreamReader(pathToFile);
while (!sr.EndOfStream)
{
line = sr.ReadLine().Split(separator);
tmp = new Vector3(float.Parse(line[0]), float.Parse(line[1]), float.Parse(line[2]));
coords.Add(tmp);
if (coords.Last().X < minX)
minX = coords.Last().X;
if (coords.Last().X > maxX)
maxX = coords.Last().X;
if (coords.Last().Y < minY)
minY = coords.Last().Y;
if (coords.Last().Y > maxY)
maxY = coords.Last().Y;
if (coords.Last().Z < min)
min = coords.Last().Z;
if (coords.Last().Z > max)
max = coords.Last().Z;
if (coords.Count % d == 0)
form.statusStrip1.Invoke(progres, 100 * coords.Count / count);
}
sr.Close();
}
catch (FileNotFoundException)
{
System.Windows.Forms.MessageBox.Show("Subor sa nenasiel!");
}
}
public Surface(int w, int h, string pathToFile, System.Windows.Forms.ToolStripProgressBar bar = null, System.Windows.Forms.ToolStripLabel label = null, Form1 form = null, bool shaderOption = false)
{
this.shaderOption = shaderOption;
this.form = form;
toolStripBar = bar;
toolStripLabel = label;
WhatToDraw = 1;
Status = colrscl = rotate = false;
minX = minY = min = float.MaxValue;
maxX = maxY = max = float.MinValue;
scale = 1.0f;
angleX = angleY = 0.0f;
width = w; height = h;
NumOfIndexes = NumOfVertices = Xwidth = Ywidth = 0;
//svetlo - smer,ambient,specular,diffuse
light = new DirectionalLight(new Vector3(0.0f, 0.0f, -1.0f), new Vector3(1.0f, 1.0f, 1.0f), new Vector3(1.0f, 1.0f, 1.0f), new Vector3(1.0f, 1.0f, 1.0f));
//material - ambient,specular,diffuse,koeficienty - ambient, specular, diffuse, shininess
material = new Material(0.29f, 0.86f, 0.57f, 128);
//BigBrother = new Kamera(new Vector3(0.0f, 0.0f, 3.5f), new Vector3(0.0f, 0.0f, 0.0f), new Vector3(0.0f, 1.0f, 0.0f));
coords = new List<Vector3>();
VBO = new int[4];
VAO = new int[1];
VertexShader = new Shaders.Shader();
FragmentShader = new Shaders.Shader();
spMain = new Shaders.ShaderProgram();
var bw = new System.ComponentModel.BackgroundWorker();
bw.DoWork += (sender, args) =>
{
// do your lengthy stuff here -- this will happen in a separate thread
LoadData(pathToFile);
if (Status = SetWidth())
{
vertices = new Vector3[NumOfVertices];
color = new Vector3[NumOfVertices];
normals = new Vector3[NumOfVertices];
Indices = new List<int>();
Indexes = new int[NumOfIndexes];
//SetIndices();
SetIndexes();
if (Ywidth > Xwidth)
{
rotate = true;
MatrixStore_Rotations = Matrix4.CreateFromAxisAngle(new Vector3(0.0f, 0.0f, 1.0f), -90.0f * (float)Math.PI / 180.0f);
}
}
else
{
//dorobit sem este resetovanie progressBaru/labelu
System.Windows.Forms.MessageBox.Show("Súbor " + pathToFile + " nemá podporu!", "Vnimanie!", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
label lab = new label(SetToolStripLabel);
progres progres = new progres(SetProgressBar);
form.statusStrip1.Invoke(lab, "Súbor nemá podporu...");
form.statusStrip1.Invoke(progres, 0);
}
};
bw.RunWorkerCompleted += (sender, args) =>
{
if (args.Error != null) // if an exception occurred during DoWork,
System.Windows.Forms.MessageBox.Show(args.Error.ToString()); // do your error handling here
if (Status)
{
colorScale = new ColorScale(min, max, width, height);
CalculateColor();
ScaleHeights(10.0f);
CalculateNormals();
InitScene(false);
FirstDraw();
form.SetBoolean_surface(true);
}
else
form.SetMenuStrip_Enabled(true);
};
bw.RunWorkerAsync(); // starts the background worker
}
private void InitScene(bool b)
{
label label = new label(SetToolStripLabel);
progres progres = new progres(SetProgressBar);
form.statusStrip1.Invoke(label, "Prebieha nastavovanie scény...");
form.statusStrip1.Invoke(progres, 0);
SetMatrices(b);
GL.GenBuffers(4, VBO);
GL.GenVertexArrays(1, VAO);
GL.BindVertexArray(VAO[0]);
//vrcholy
GL.BindBuffer(BufferTarget.ArrayBuffer, VBO[0]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(NumOfVertices * Vector3.SizeInBytes), vertices, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 0, 0);
//farby
GL.BindBuffer(BufferTarget.ArrayBuffer, VBO[1]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(NumOfVertices * Vector3.SizeInBytes), color, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(1);
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 0, 0);
//normaly
GL.BindBuffer(BufferTarget.ArrayBuffer, VBO[2]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(NumOfVertices * Vector3.SizeInBytes), normals, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(2);
GL.VertexAttribPointer(2, 3, VertexAttribPointerType.Float, false, 0, 0);
//indices
GL.BindBuffer(BufferTarget.ElementArrayBuffer, VBO[3]);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(sizeof(int) * Indices.Count), Indices.ToArray(), BufferUsageHint.StaticDraw);
GL.Enable(EnableCap.PrimitiveRestart);
GL.PrimitiveRestartIndex(coords.Count);
//GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(sizeof(int) * Indexes.Length), Indexes, BufferUsageHint.StaticDraw);
if (shaderOption)
{
//per pixel
if (!VertexShader.LoadShaderS(Kocka.Properties.Resources.perPixelShaderVert, ShaderType.VertexShader))
System.Windows.Forms.MessageBox.Show("Nepodarilo sa nacitat vertex sahder!");
if (!FragmentShader.LoadShaderS(Kocka.Properties.Resources.perPixelShaderFrag, ShaderType.FragmentShader))
System.Windows.Forms.MessageBox.Show("Nepodarilo sa nacitat fragment sahder!");
}
else
{
//per fragment
if (!VertexShader.LoadShaderS(Kocka.Properties.Resources.perFragmentShaderVert, ShaderType.VertexShader))
System.Windows.Forms.MessageBox.Show("Nepodarilo sa nacitat vertex sahder!");
if (!FragmentShader.LoadShaderS(Kocka.Properties.Resources.perFragmentShaderFrag, ShaderType.FragmentShader))
System.Windows.Forms.MessageBox.Show("Nepodarilo sa nacitat fragment sahder!");
}
spMain.CreateProgram();
spMain.AddShaderToProgram(VertexShader);
spMain.AddShaderToProgram(FragmentShader);
spMain.LinkProgram();
spMain.UseProgram();
spMain.SetUniform("projectionMatrix", projectionMatrix);
spMain.SetUniform("eye", new Vector3(0.0f, 0.0f, 30.0f));
material.SetMaterialUniforms(spMain);
light.SetDirectionalLightUniforms(spMain);
}
private void CalculateNormals()
{
label label = new label(SetToolStripLabel);
progres progres = new progres(SetProgressBar);
form.statusStrip1.Invoke(label, "Prebieha výpočet normál...");
int d = NumOfIndexes / 300;
for (int i = 0; i < NumOfIndexes / 3; i++)
{
int index1 = Indexes[i * 3];
int index2 = Indexes[i * 3 + 1];
int index3 = Indexes[i * 3 + 2];
Vector3 side1 = vertices[index1] - vertices[index3];
Vector3 side2 = vertices[index2] - vertices[index1];
Vector3 normal = Vector3.Cross(side1, side2);
normals[index1] += normal;
normals[index2] += normal;
normals[index3] += normal;
if (i % d == 0)
{
float tmp = (3 * i / (float)NumOfIndexes);
form.statusStrip1.Invoke(progres, (int)(100 * tmp));
}
}
}
private void CalculateColor()
{
label label = new label(SetToolStripLabel);
progres progres = new progres(SetProgressBar);
form.statusStrip1.Invoke(label, "Prebieha nastavovanie farieb...");
color = colorScale.SetColorList(coords).ToArray();
}