public void CreateTex(OpenGL context, Bitmap image)
{
texture = new SharpGL.SceneGraph.Assets.Texture();
texture.Create(context, image);
context.TexParameter(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_WRAP_S, OpenGL.GL_REPEAT);
context.TexParameter(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_WRAP_T, OpenGL.GL_REPEAT);
context.TexParameter(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MAG_FILTER, OpenGL.GL_LINEAR);
context.TexParameter(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MIN_FILTER, OpenGL.GL_LINEAR);
context.TexEnv(OpenGL.GL_TEXTURE_ENV, OpenGL.GL_TEXTURE_ENV_MODE, OpenGL.GL_REPLACE);
texture.Bind(context);
}
/// <summary>
/// Handles the OpenGLDraw event of the openGLControl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="RenderEventArgs"/> instance containing the event data.</param>
///
private void openGLControl_OpenGLDraw(object sender, RenderEventArgs e)
{
try
{
double LIGHT = 400;
// Get the OpenGL object.
OpenGL gl = openGLControl.OpenGL;
gl.LookAt(Tin.CenterPoint.X, Tin.CenterPoint.Y, -300, Tin.CenterPoint.X, Tin.CenterPoint.Y, 50, 0, 1, 0);
// Clear the color and depth buffer.
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
// Load the identity matrix.
gl.LoadIdentity();
gl.ClearColor(0, 0.3f, 0, 1);
gl.ShadeModel(OpenGL.GL_FLAT);
SharpGL.SceneGraph.Assets.Texture texture = new SharpGL.SceneGraph.Assets.Texture();
texture.Create(gl, @".\123.bmp");
gl.Enable(OpenGL.GL_TEXTURE_2D);
texture.Bind(gl);
#region //添加纹理
gl.Begin(OpenGL.GL_TRIANGLES);
foreach (Triangle x in Tin.Triangledata)
{
gl.TexCoord(0.0f, 0.0f); gl.Vertex(x.GetTriPointA.X, x.GetTriPointA.Y, x.GetTriPointA.Z);
gl.TexCoord(1f, 0f); gl.Vertex(x.GetTriPointB.X, x.GetTriPointB.Y, x.GetTriPointB.Z);
gl.TexCoord(1f, 1f); gl.Vertex(x.GetTriPointC.X, x.GetTriPointC.Y, x.GetTriPointC.Z);
}
gl.End();
#endregion
gl.Enable(OpenGL.GL_LIGHTING);
gl.Enable(OpenGL.GL_LIGHT0);
gl.Enable(OpenGL.GL_LIGHT1);
gl.Enable(OpenGL.GL_DEPTH_TEST);
gl.ShadeModel(OpenGL.GL_FLAT);
gl.LightModel(OpenGL.GL_LIGHT_MODEL_TWO_SIDE, OpenGL.GL_FALSE);
Tin.Process();
//绑定纹理
#region//画三角网
gl.LineWidth(1 / 2);
//gl.Begin(OpenGL.GL_LINES);
gl.Color(0, 0, 0);
gl.Begin(OpenGL.GL_LINES);
foreach (Edge temp1 in Tin.UsedEdgedata)
{
gl.TexCoord(0.0f, 0.0f); gl.Vertex(temp1.GetPointa.X, temp1.GetPointa.Y, temp1.GetPointa.Z);
gl.TexCoord(1f, 1f); gl.Vertex(temp1.GetPointb.X, temp1.GetPointb.Y, temp1.GetPointb.Z);
}
foreach (Edge temp in Tin.OnlyEdgedata)
{
gl.TexCoord(0.0f, 0.0f); gl.Vertex(temp.GetPointa.X, temp.GetPointa.Y, temp.GetPointa.Z);
gl.TexCoord(1f, 1f); gl.Vertex(temp.GetPointb.X, temp.GetPointb.Y, temp.GetPointb.Z);
}
gl.End();
#endregion
#region//添加光照
gl.ShadeModel(OpenGL.GL_SMOOTH);
//初始化材质
var mat_specular = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
var mat_ambient = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
var mat_diffuse = new float[] { 2.0f, 2.0f, 2.0f, 0.1f };
var mat_shininess = new float[] { 100.0f };
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_SPECULAR, mat_specular);
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_AMBIENT, mat_ambient);
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_DIFFUSE, mat_diffuse);
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_SHININESS, mat_shininess);
//初始化光照
var ambientLight = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
var diffuseLight = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
var posLight0 = new float[] { 2.0f, 0.1f, 0.0f, 0.0f };
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_AMBIENT, ambientLight);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_DIFFUSE, diffuseLight);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_POSITION, posLight0);
#endregion
}
catch { }
}
public void UseTexure(OpenGL gl)
{
_texture.Bind(gl);
gl.ActiveTexture(_texture.TextureName);
}