public override void Draw3D(OpenGL gl)
{
float drawCoord = (int)(y * 2) % pieces;
float size = 2;
double theta = 0;
if (fever)
{
size = 3f;
if (xpos < -4)
theta = (xpos + 4) * Math.PI / 4;
else if (xpos > 4)
theta = (xpos - 4) * Math.PI / 4;
}
gl.Begin(BeginMode.Quads);
{
if (fever)
gl.Color(1.0f, 0.5f, 0.5f);
gl.TexCoord(drawCoord / pieces, 1);
gl.Vertex(xpos * 0.5f - (0.4f * size) * Math.Cos(theta), y - (0.4f * size) * Math.Sin(theta), 0);
gl.TexCoord(drawCoord / pieces, 0);
gl.Vertex(xpos * 0.5f - (0.4f * size) * Math.Cos(theta), y - (0.4f * size) * Math.Sin(theta), size);
gl.TexCoord((drawCoord + 1) / pieces, 0);
gl.Vertex(xpos * 0.5f + (0.4f * size) * Math.Cos(theta), y + (0.4f * size) * Math.Sin(theta), size);
gl.TexCoord((drawCoord + 1) / pieces, 1);
gl.Vertex(xpos * 0.5f + (0.4f * size) * Math.Cos(theta), y + (0.4f * size) * Math.Sin(theta), 0);
gl.Color(1.0f, 1.0f, 1.0f);
}
gl.End();
}
public VAO(OpenGL gl, IShaderProgram program, VBO vbo)
{
_gl = gl;
_program = program;
VBO = vbo;
var buffers = new uint[1];
gl.GenVertexArrays(1, buffers);
Handle = buffers[0];
using (new Bind(program))
using (new Bind(this))
using (new Bind(vbo))
{
var stride = Vect3f.SizeInBytes * 2 + Vect4f.SizeInBytes;
gl.EnableVertexAttribArray(0);
gl.VertexAttribPointer(0, 3, OpenGL.GL_FLOAT, true, stride, IntPtr.Zero);
gl.BindAttribLocation(program.Handle, 0, "vert_position");
gl.EnableVertexAttribArray(1);
gl.VertexAttribPointer(1, 3, OpenGL.GL_FLOAT, true, stride, new IntPtr(Vect3f.SizeInBytes));
gl.BindAttribLocation(program.Handle, 1, "vert_normal");
gl.EnableVertexAttribArray(2);
gl.VertexAttribPointer(2, 4, OpenGL.GL_FLOAT, false, stride, new IntPtr(Vect3f.SizeInBytes * 2));
gl.BindAttribLocation(program.Handle, 2, "vert_colour");
}
}
private void openGLControl1_OpenGLDraw(object sender, SharpGL.RenderEventArgs args)
{
SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl.LoadIdentity();
gl.LookAt(0, 20, 30, 0, 0, 0, 0, 1, 0);
//desenha o piso
gl.Enable(OpenGL.GL_TEXTURE_2D);
grass.Bind(gl);
gl.Begin(OpenGL.GL_QUADS);
gl.Color(0.0f, 1.0f, 0.0f);
gl.TexCoord(0.0f, 0.0f); gl.Vertex(-100.0f, 0.0f, -100.0f);
gl.TexCoord(100.0f, 0.0f); gl.Vertex(100.0f, 0.0f, -100.0f);
gl.TexCoord(100.0f, 100.0f); gl.Vertex(100.0f, 0.0f, 100.0f);
gl.TexCoord(0.0f, 100.0f); gl.Vertex(-100.0f, 0.0f, 100.0f);
gl.End();
gl.Disable(OpenGL.GL_TEXTURE_2D);
foreach (Polygon polygon in polygons)
{
polygon.PushObjectSpace(gl);
polygon.Render(gl, SharpGL.SceneGraph.Core.RenderMode.Render);
polygon.PopObjectSpace(gl);
}
gl.Flush();
}
public void RenderWithStruct(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode)
{
//if (!this.IsRenderable())
//return;
ShaderProgram shader = this.shader; //GetShader(gl, renderMode);
shader.Bind(gl);
// 用VAO+EBO进行渲染。
// Bind the out vertex array.
//gl.BindVertexArray(vao[0]);
gl.BindVertexArray(vertexArrayObject);
// Draw the square.
//gl.BindBuffer(OpenGL.GL_ELEMENT_ARRAY_BUFFER, ebo[0]);
gl.BindBuffer(OpenGL.GL_ELEMENT_ARRAY_BUFFER, this.triangleBufferObject);
// 启用Primitive restart
gl.Enable(OpenGL.GL_PRIMITIVE_RESTART);
gl.PrimitiveRestartIndex(uint.MaxValue);// 截断图元（四边形带、三角形带等）的索引值。
gl.DrawElements(this.primitiveMode, this.triangleIndexCount, OpenGL.GL_UNSIGNED_INT, IntPtr.Zero);
// Unbind our vertex array and shader.
gl.BindVertexArray(0);
gl.Disable(OpenGL.GL_PRIMITIVE_RESTART);
shader.Unbind(gl);
}
public DatumPlaneLeaf(OpenGL gl, IShaderProgram shader, IEnumerable<DatumPlane> planes)
{
_gl = gl;
_shader = shader;
var linedata = new List<Vert>();
var quaddata = new List<Vert>();
const float size = 20f;
foreach (var plane in planes)
{
var v1 = (plane.Transform * Mat4.Translate(new Vect3(-size / 2.0, -size / 2.0, 0))).ToVect3();
var v2 = (plane.Transform * Mat4.Translate(new Vect3(size / 2.0, -size / 2.0, 0))).ToVect3();
var v3 = (plane.Transform * Mat4.Translate(new Vect3(size / 2.0, size / 2.0, 0))).ToVect3();
var v4 = (plane.Transform * Mat4.Translate(new Vect3(-size / 2.0, size / 2.0, 0))).ToVect3();
linedata.Add(new Vert(v1, Vect3.Zero, _edgecolour));
linedata.Add(new Vert(v2, Vect3.Zero, _edgecolour));
linedata.Add(new Vert(v2, Vect3.Zero, _edgecolour));
linedata.Add(new Vert(v3, Vect3.Zero, _edgecolour));
linedata.Add(new Vert(v3, Vect3.Zero, _edgecolour));
linedata.Add(new Vert(v4, Vect3.Zero, _edgecolour));
linedata.Add(new Vert(v4, Vect3.Zero, _edgecolour));
linedata.Add(new Vert(v1, Vect3.Zero, _edgecolour));
quaddata.AddRange(new[] { new Vert(v1, Vect3.Zero, _basecolour), new Vert(v2, Vect3.Zero, _basecolour), new Vert(v3, Vect3.Zero, _basecolour), new Vert(v4, Vect3.Zero, _basecolour) });
quaddata.AddRange(new[] { new Vert(v4, Vect3.Zero, _basecolour), new Vert(v3, Vect3.Zero, _basecolour), new Vert(v2, Vect3.Zero, _basecolour), new Vert(v1, Vect3.Zero, _basecolour) });
}
_lineVAO = new VAO(gl, _shader, new VBO(gl, BeginMode.Lines, linedata));
_quadVAO = new VAO(gl, _shader, new VBO(gl, BeginMode.Quads, quaddata));
}
public FormSharpGLTexturesSample()
{
InitializeComponent();
// Get the OpenGL object, for quick access.
SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
// A bit of extra initialisation here, we have to enable textures.
gl.Enable(OpenGL.GL_TEXTURE_2D);
// Create our texture object from a file. This creates the texture for OpenGL.
texture.Create(gl, "Crate.bmp");
// Create a light.
/*
* Light light = new Light()
* {
* On = true,
* Position = new Vertex(0, 0, 0),
* GLCode = OpenGL.GL_LIGHT0
* };
*/
//Camera numbers set up
float fov = 70.0f,
aspect = (float)openGLControl1.Width / (float)openGLControl1.Height,
zNear = 0.1f,
zFar = 100.0f;
Vertex eyeVertex = new Vertex(2.0f, 2.0f, 2.0f);
Vertex centerVertex = new Vertex(0.0f, 0.0f, 0.0f);
Vertex upVertex = new Vertex(0.0f, 1.0f, 0.0f);
cam = new Camera(gl, fov, aspect, zNear, zFar, eyeVertex, centerVertex, upVertex);
}
public override void Draw(SharpGL.OpenGL gl)
{
gl.PushMatrix();
gl.PushAttrib(AttributeMask.Lighting);
gl.Translate(position.x, position.y + 1 * scaleKoef, position.z);
gl.Scale(scaleKoef, scaleKoef, scaleKoef);
gl.Color(color.GetInArrWithAlpha());
float[] specular1 = { 1, 1, 1, 1 };
gl.Material(OpenGL.GL_FRONT_AND_BACK, OpenGL.GL_SPECULAR, specular1);
gl.Material(OpenGL.GL_FRONT_AND_BACK, OpenGL.GL_SHININESS, 60);
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_SHININESS, 128);
for (int i = 0; i < 20; i++)
{
subdivine(gl,
new Vector3d(vdata[tindices[i][0]]),
new Vector3d(vdata[tindices[i][1]]),
new Vector3d(vdata[tindices[i][2]]),
divineCount);
}
gl.PopAttrib();
gl.PopMatrix();
}
public static void DrawDetectRectRegion(SharpGL.OpenGL gl_object, DetectedRectRegion DetectField, double ColorR, double ColorG, double ColorB)
{
gl_object.LoadIdentity();
gl_object.Translate(_LX, _LY, _LZ);
gl_object.Rotate(_RoX, 0.0, 1.0, 0.0);
gl_object.Rotate(_RoY, 1.0, 0.0, 0.0);
gl_object.Rotate(_RoZ, 0.0, 0.0, 1.0);
//畫範圍
gl_object.Color(ColorR, ColorG, ColorB);
gl_object.Begin(OpenGL.GL_LINE_STRIP);
gl_object.Vertex(DetectField.DetectRegionX1, DetectField.DetectRegionY1, DetectField.DetectRegionZ1);
gl_object.Vertex(DetectField.DetectRegionX2, DetectField.DetectRegionY1, DetectField.DetectRegionZ1);
gl_object.Vertex(DetectField.DetectRegionX2, DetectField.DetectRegionY2, DetectField.DetectRegionZ1);
gl_object.Vertex(DetectField.DetectRegionX1, DetectField.DetectRegionY2, DetectField.DetectRegionZ1);
gl_object.Vertex(DetectField.DetectRegionX1, DetectField.DetectRegionY1, DetectField.DetectRegionZ1);
gl_object.Vertex(DetectField.DetectRegionX1, DetectField.DetectRegionY1, DetectField.DetectRegionZ2);
gl_object.Vertex(DetectField.DetectRegionX2, DetectField.DetectRegionY1, DetectField.DetectRegionZ2);
gl_object.Vertex(DetectField.DetectRegionX2, DetectField.DetectRegionY1, DetectField.DetectRegionZ1);
gl_object.Vertex(DetectField.DetectRegionX2, DetectField.DetectRegionY1, DetectField.DetectRegionZ2);
gl_object.Vertex(DetectField.DetectRegionX2, DetectField.DetectRegionY2, DetectField.DetectRegionZ2);
gl_object.Vertex(DetectField.DetectRegionX2, DetectField.DetectRegionY2, DetectField.DetectRegionZ1);
gl_object.Vertex(DetectField.DetectRegionX2, DetectField.DetectRegionY2, DetectField.DetectRegionZ2);
gl_object.Vertex(DetectField.DetectRegionX1, DetectField.DetectRegionY2, DetectField.DetectRegionZ2);
gl_object.Vertex(DetectField.DetectRegionX1, DetectField.DetectRegionY2, DetectField.DetectRegionZ1);
gl_object.Vertex(DetectField.DetectRegionX1, DetectField.DetectRegionY2, DetectField.DetectRegionZ2);
gl_object.Vertex(DetectField.DetectRegionX1, DetectField.DetectRegionY1, DetectField.DetectRegionZ2);
gl_object.End();
}
private void CreateDisplayList(OpenGL gl)
{
displayList = new DisplayList();
displayList.Generate(gl);
displayList.New(gl, DisplayList.DisplayListMode.CompileAndExecute);
//Push all attributes, disable lighting and depth testing.
gl.PushAttrib(OpenGL.GL_CURRENT_BIT | OpenGL.GL_ENABLE_BIT |
OpenGL.GL_LINE_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl.Disable(OpenGL.GL_LIGHTING);
gl.Disable(OpenGL.GL_TEXTURE_2D);
gl.DepthFunc(OpenGL.GL_ALWAYS);
//Set line width.
gl.LineWidth(lineWidth);
//Draw the line.
gl.Begin(OpenGL.GL_LINES);
gl.Color(Convert.ColorToGLColor(c1));
gl.Vertex(v1.X, v1.Y, v1.Z);
gl.Color(Convert.ColorToGLColor(c2));
gl.Vertex(v2.X, v2.Y, v2.Z);
gl.End();
// Restore attributes.
gl.PopAttrib();
displayList.End(gl);
}
public override void Draw(SharpGL.OpenGL gl)
{
gl.PushAttrib(AttributeMask.All);
gl.PushMatrix();
if (texture != null)
{
gl.Enable(OpenGL.GL_TEXTURE_2D);
texture.Push(gl);
}
gl.Begin(BeginMode.Quads);
{
gl.Color(color.GetInArrWithAlpha());
gl.Normal(0, 1, 0);
gl.TexCoord(0, 0);
gl.Vertex(position.x - lenByX / 2, position.y, position.z + lenByZ / 2);
gl.TexCoord(lenByX, 0);
gl.Vertex(position.x + lenByX / 2, position.y, position.z + lenByZ / 2);
gl.TexCoord(lenByX, lenByZ);
gl.Vertex(position.x + lenByX / 2, position.y, position.z - lenByZ / 2);
gl.TexCoord(0, lenByZ);
gl.Vertex(position.x - lenByX / 2, position.y, position.z - lenByZ / 2);
}
gl.End();
if (texture != null)
{
texture.Pop(gl);
}
gl.PopMatrix();
gl.PopAttrib();
}
public override void Draw(SharpGL.OpenGL gl)
{
if (_trail > 1)
{
for (int t = 0; t < _trail; t++)
{
PointFloat trailPos = GetPosition();
PointFloat vel = GetVelocity();
PointFloat dit = new PointFloat(trailPos.x - vel.x * t, trailPos.y - vel.y * t);
PointFloat[] pointData = RenderLogics.RectPoint(dit, GetSize(), GetRotation());
GetTexture().UseTexure(gl);
gl.Begin(OpenGL.GL_QUADS);
byte[] col = GetColor();
gl.Color(col[0], col[1], col[2]);
gl.TexCoord(0, 0);
gl.Vertex(pointData[1].x, pointData[1].y);
gl.TexCoord(0, 1);
gl.Vertex(pointData[0].x, pointData[0].y);
gl.TexCoord(1, 1);
gl.Vertex(pointData[3].x, pointData[3].y);
gl.TexCoord(1, 0);
gl.Vertex(pointData[2].x, pointData[2].y);
gl.End();
}
}
base.Draw(gl);
}
public static void Draw(OpenGL gl, double height, double length, double width)
{
gl.LineWidth(1);
gl.Color(0.7, 0.7, 0.7);
gl.Begin(OpenGL.GL_LINE_LOOP);
gl.Vertex(0, height, 0 );
gl.Vertex(0, height, width);
gl.Vertex(length, height, width);
gl.Vertex(length, height, 0 );
gl.End();
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(0, height, 0);
gl.Vertex(0, 0, 0);
gl.Vertex(length, height, 0);
gl.Vertex(length, 0, 0);
gl.Vertex(0, height, width);
gl.Vertex(0, 0, width);
gl.Vertex(length, height, width);
gl.Vertex(length, 0, width);
gl.End();
gl.Begin(OpenGL.GL_LINE_LOOP);
gl.Vertex(0, 0, 0);
gl.Vertex(0, 0, width);
gl.Vertex(length, 0, width);
gl.Vertex(length, 0, 0);
gl.End();
}
void IRenderable.Render(OpenGL gl, RenderMode renderMode)
{
if (positionBuffer != null && colorBuffer != null && radiusBuffer != null)
{
if (this.shaderProgram == null)
{
this.shaderProgram = InitShader(gl, renderMode);
}
if (this.vertexArrayObject == null)
{
CreateVertexArrayObject(gl, renderMode);
}
BeforeRendering(gl, renderMode);
if (this.RenderGrid && this.vertexArrayObject != null)
{
gl.Enable(OpenGL.GL_BLEND);
gl.BlendFunc(SharpGL.Enumerations.BlendingSourceFactor.SourceAlpha, SharpGL.Enumerations.BlendingDestinationFactor.OneMinusSourceAlpha);
gl.BindVertexArray(this.vertexArrayObject[0]);
gl.DrawArrays(OpenGL.GL_POINTS, 0, count);
gl.BindVertexArray(0);
gl.Disable(OpenGL.GL_BLEND);
}
AfterRendering(gl, renderMode);
}
}
private void RenderVertices_VertexArray(OpenGL gl)
{
gl.EnableClientState(OpenGL.GL_VERTEX_ARRAY);
gl.VertexPointer(3, 0, vertexArrayValues);
gl.DrawArrays(OpenGL.GL_POINTS, 0, 2);//vertices.Length);
gl.DisableClientState(OpenGL.GL_VERTEX_ARRAY);
}
public override void Draw(SharpGL.OpenGL gl)
{
//Process alignment in baseclass
base.Draw(gl);
//Draw arms
_arm1.Draw(gl);
_arm2.Draw(gl);
_arm3.Draw(gl);
//Draw middle triangle. At each vertex of this triangle two arms meet.
//So for color merging we will give each vertex the average color of the two
//adjacent arms - precalculated in constructor
gl.Begin(SharpGL.Enumerations.BeginMode.Triangles);
gl.Color(_vertex32.R, _vertex32.G, _vertex32.B);
gl.Vertex(_arm3.Corner1.x, _arm3.Corner1.y);
gl.Color(_vertex21.R, _vertex21.G, _vertex21.B);
gl.Vertex(_arm1.Corner4.x, _arm1.Corner4.y);
gl.Color(_vertex13.R, _vertex13.G, _vertex13.B);
gl.Vertex(_arm1.Corner1.x, _arm1.Corner1.y);
gl.End();
}
/// <summary>
/// Initialises the scene.
/// </summary>
/// <param name="gl">The OpenGL instance.</param>
/// <param name="width">The width of the screen.</param>
/// <param name="height">The height of the screen.</param>
public void Initialise(OpenGL gl, float width, float height)
{
// Set a blue clear colour.
gl.ClearColor(0.4f, 0.6f, 0.9f, 0.0f);
// Create the shader program.
var vertexShaderSource = ManifestResourceLoader.LoadTextFile("Shader.vert");
var fragmentShaderSource = ManifestResourceLoader.LoadTextFile("Shader.frag");
shaderProgram = new ShaderProgram();
shaderProgram.Create(gl, vertexShaderSource, fragmentShaderSource, null);
shaderProgram.BindAttributeLocation(gl, attributeIndexPosition, "in_Position");
shaderProgram.BindAttributeLocation(gl, attributeIndexColour, "in_Color");
shaderProgram.AssertValid(gl);
// Create a perspective projection matrix.
const float rads = (60.0f / 360.0f) * (float)Math.PI * 2.0f;
projectionMatrix = glm.perspective(rads, width / height, 0.1f, 100.0f);
// Create a view matrix to move us back a bit.
viewMatrix = glm.translate(new mat4(1.0f), new vec3(0.0f, 0.0f, -5.0f));
// Create a model matrix to make the model a little bigger.
modelMatrix = glm.scale(new mat4(1.0f), new vec3(2.5f));
// Now create the geometry for the square.
CreateVerticesForSquare(gl);
}
/// <summary>
/// Initialises the Scene.
/// </summary>
/// <param name="gl">The OpenGL instance.</param>
public void Initialise(OpenGL gl)
{
// We're going to specify the attribute locations for the position and normal,
// so that we can force both shaders to explicitly have the same locations.
const uint positionAttribute = 0;
const uint normalAttribute = 1;
var attributeLocations = new Dictionary<uint, string>
{
{positionAttribute, "Position"},
{normalAttribute, "Normal"},
};
// Create the per pixel shader.
shaderPerPixel = new ShaderProgram();
shaderPerPixel.Create(gl,
ManifestResourceLoader.LoadTextFile(@"Shaders\PerPixel.vert"),
ManifestResourceLoader.LoadTextFile(@"Shaders\PerPixel.frag"), attributeLocations);
// Create the toon shader.
shaderToon = new ShaderProgram();
shaderToon.Create(gl,
ManifestResourceLoader.LoadTextFile(@"Shaders\Toon.vert"),
ManifestResourceLoader.LoadTextFile(@"Shaders\Toon.frag"), attributeLocations);
// Generate the geometry and it's buffers.
trefoilKnot.GenerateGeometry(gl, positionAttribute, normalAttribute);
}
public void InitTexture(OpenGL gl)
{
_texture = new SharpGL.SceneGraph.Assets.Texture();
_texture.Create(gl, _image);
Id = _texture.TextureName;
gl.BindTexture(OpenGL.GL_TEXTURE_2D, _texture.TextureName);
}
void setCamera(SharpGL.OpenGL gl)
{
//OpenGL gl = openGLControl.OpenGL;
// 设置当前矩阵模式,对投影矩阵应用随后的矩阵操作
gl.MatrixMode(OpenGL.GL_PROJECTION);
// 重置当前指定的矩阵为单位矩阵,将当前的用户坐标系的原点移到了屏幕中心
gl.LoadIdentity();
// 创建透视投影变换
gl.Perspective(30.0f, (double)Width / (double)Height, 0.05, 1000.0);
//增加移动代码
// double dRad = dAngleXY / 180 * 3.1415926;
double dRad = dAngleXY / 180 * 3.1415926;
double dx = vEye.dx + 100 * Math.Cos(dRad);
double dy = vEye.dy + 100 * Math.Sin(dRad);
vLookAt.dx = dx;
vLookAt.dy = dy;
// 视点变换
gl.LookAt(vEye.dx, vEye.dy, vEye.dz, vLookAt.dx, vLookAt.dy, vLookAt.dz, vUp.dx, vUp.dy, vUp.dz);
// 设置当前矩阵为模型视图矩阵
gl.MatrixMode(OpenGL.GL_MODELVIEW);
}
private void openGLControl1_OpenGLDraw(object sender, RenderEventArgs args)
{
SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl.LoadIdentity();
gl.Translate(-1.5f, 0f, -6f);
gl.Begin(OpenGL.GL_TRIANGLES);
{
gl.Vertex(0.0f, 1.0f, 0.0f);
gl.Vertex(-1.0f, -1.0f, 0.0f);
gl.Vertex(1.0f, -1.0f, 0.0f);
}
gl.End();
gl.Translate(3f, 0f, 0f);
gl.Begin(OpenGL.GL_QUADS);
{
gl.Vertex(-1.0f, 1.0f, 0.0f);
gl.Vertex(1.0f, 1.0f, 0.0f);
gl.Vertex(1.0f, -1.0f, 0.0f);
gl.Vertex(-1.0f, -1.0f, 0.0f);
}
gl.End();
gl.Flush();
}
public void DrawSprite(float posX, float posY, Sprite sprite, OpenGL gl)
{
float[] verts = {
posX, posY,
posX + 32, posY,
posX + 32, posY + 32,
posX, posY + 32
};
float tw = sprite.spriteWidth;
float th = sprite.spriteHeight;
float tx = sprite.spriteX;
float ty = sprite.spriteY;
float[] texVerts = {
tx, ty,
tx + tw, ty,
tx + tw, ty + th,
tx, ty + th
};
gl.Color(1.0, 1.0, 1.0, 1.0); // reset gl color
tex.Bind(gl);
gl.Begin(OpenGL.GL_QUADS);
gl.TexCoord(texVerts[0], texVerts[1]); gl.Vertex(verts[0], verts[1], 0.0f); // Bottom Left Of The Texture and Quad
gl.TexCoord(texVerts[2], texVerts[3]); gl.Vertex(verts[2], verts[3], 0.0f); // Bottom Right Of The Texture and Quad
gl.TexCoord(texVerts[4], texVerts[5]); gl.Vertex(verts[4], verts[5], 0.0f); // Top Right Of The Texture and Quad
gl.TexCoord(texVerts[6], texVerts[7]); gl.Vertex(verts[6], verts[7], 0.0f); // Top Left Of The Texture and Quad
gl.End();
//this is sposed to be better but doesnt seem to work
//gl.VertexPointer(2, OpenGL.GL_FLOAT, 0, verts);
//gl.TexCoordPointer(2, OpenGL.GL_FLOAT, 0, texVerts);
//gl.DrawArrays(OpenGL.GL_TRIANGLE_STRIP,0,4);
}
private void openGLControl1_OpenGLDraw(object sender, RenderEventArgs e)
{
// Get the OpenGL object, for quick access.
SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl.Color(1.0f, 1.0f, 1.0f);
gl.MatrixMode(OpenGL.GL_PROJECTION);
gl.LoadIdentity();
cam.Look();
gl.Disable(OpenGL.GL_TEXTURE_2D);
PlaneSurfaceRenderer psr = new PlaneSurfaceRenderer(16);
psr.render(gl);
texture.Bind(gl);
gl.Enable(OpenGL.GL_TEXTURE_2D);
foreach (ShapeRenderer shape in listShape)
{
shape.render(gl);
}
}
public void paint(OpenGL gl)
{
gl.Color(1f, 1f, 1f);
gl.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl.Vertex(x, y + height, 0);
gl.Vertex(x, y, 0);
gl.Vertex(x+width, y + height, 0);
gl.Vertex(x+width, y, 0);
gl.End();
gl.LineWidth(1);
gl.Begin(OpenGL.GL_LINES);
gl.Color(0, 0, 0);
if (centerCoordinateX <= x + width && centerCoordinateX >= x)
{
gl.Vertex4d(centerCoordinateX, y, 0, 1);
gl.Vertex4d(centerCoordinateX, y + height, 0, 1);
}
if (centerCoordinateY <= y + height && centerCoordinateY >= y)
{
gl.Vertex4d(x, centerCoordinateY, 0, 1);
gl.Vertex4d(x+width, centerCoordinateY, 0, 1);
}
gl.End();
for(int i = 0; i < functions.Count; i++)
{
drawFunction(gl, functions.ElementAt(i));
}
}
public BackgroundShader(OpenGL gl)
: base(gl)
{
_program = new ShaderProgram();
var vertex = new VertexShader();
var fragment = new FragmentShader();
vertex.CreateInContext(gl);
vertex.SetSource(File.ReadAllText("Shaders/Background.vert.glsl"));
vertex.Compile();
fragment.CreateInContext(gl);
fragment.SetSource(File.ReadAllText("Shaders/Background.frag.glsl"));
fragment.Compile();
_program.CreateInContext(gl);
_program.AttachShader(vertex);
_program.AttachShader(fragment);
_program.Link();
Debug.WriteLine(_program.InfoLog);
foreach (var attachedShader in _program.AttachedShaders)
{
Debug.WriteLine(attachedShader.InfoLog);
}
}
public Shader(OpenGL gl, string vertexShaderSource, string fragmentShaderSource,
Dictionary<uint, string> attributeLocations)
{
this.gl = gl;
Compiled = false;
CompilerOutput = null;
shader = new SharpGL.Shaders.ShaderProgram();
try
{
shader.Create(gl, vertexShaderSource, fragmentShaderSource, attributeLocations);
}
catch (SharpGL.Shaders.ShaderCompilationException ex)
{
CompilerOutput = ex.CompilerOutput;
return;
}
try
{
shader.AssertValid(gl);
}
catch (Exception ex)
{
CompilerOutput = ex.Message;
return;
}
Compiled = true;
}
public override void Render(OpenGL gl)
{
if (displayList == null)
CreateDisplayList(gl);
else
displayList.Call(gl);
}
public void drawEnemy(SharpGL.OpenGL gl)
{
switch (enemyType)
{
case 1:
texture.Create(gl, "..\\..\\gem1.png");
break;
case 2:
texture.Create(gl, "..\\..\\gem2.png");
break;
case 3:
texture.Create(gl, "..\\..\\gem3.png");
break;
case 4:
texture.Create(gl, "..\\..\\gem4.png");
break;
}
gl.PushMatrix();
gl.LoadIdentity();
gl.Translate(0.0f, 0.0f, -19.0f);
gl.Begin(OpenGL.GL_QUADS);
gl.TexCoord(0, 0); gl.Vertex(positionX - 1, positionY);
gl.TexCoord(1, 0); gl.Vertex(positionX, positionY);
gl.TexCoord(1, 1); gl.Vertex(positionX, positionY - 1);
gl.TexCoord(0, 1); gl.Vertex(positionX - 1, positionY - 1);
gl.End();
gl.PopMatrix();
}
public override void Draw(SharpGL.OpenGL gl)
{
//float defaultHeight = 0.3f * 3 + 0.2f;
gl.PushMatrix();
gl.Translate(position.x, position.y, position.z);
gl.Rotate(-90, 1, 0, 0);
gl.Scale(scaleKoef, scaleKoef, scaleKoef);
//gl.Color(color.GetInArr());
//float curHeight = 0.25f;
//gl.Cylinder(gl.NewQuadric(), curHeight / 2, curHeight / 2, curHeight, 20, 20);
//gl.Translate(0, 0, 0.25f);
//curHeight = 5f / 14f;
//gl.Cylinder(gl.NewQuadric(), curHeight, 0, curHeight, 20, 20);
//gl.Translate(0, 0, 0.25f);
//curHeight = 4f / 14f;
//gl.Cylinder(gl.NewQuadric(), curHeight, 0, curHeight, 20, 20);
//gl.Translate(0, 0, 0.25f);
//curHeight = 3f / 14f;
//gl.Cylinder(gl.NewQuadric(), curHeight, 0, curHeight, 20, 20);
gl.Color(trunkColor.GetInArrWithAlpha());
gl.Material(OpenGL.GL_FRONT_AND_BACK, OpenGL.GL_DIFFUSE, trunkColor.GetInArrWithAlpha());
gl.Cylinder(gl.NewQuadric(), 0.1, 0.1, 0.4, 20, 20);
gl.Material(OpenGL.GL_FRONT_AND_BACK, OpenGL.GL_DIFFUSE, color.GetInArrWithAlpha());
gl.Color(color.GetInArrWithAlpha());
gl.Translate(0, 0, 0.2);
gl.Cylinder(gl.NewQuadric(), 0.5, 0, 0.5, 20, 20);
gl.Translate(0, 0, 0.3);
gl.Cylinder(gl.NewQuadric(), 0.4, 0, 0.4, 20, 20);
gl.Translate(0, 0, 0.3);
gl.Cylinder(gl.NewQuadric(), 0.3, 0, 0.3, 20, 20);
gl.PopMatrix();
}
public override void Draw(SharpGL.OpenGL gl)
{
gl.PushMatrix();
gl.PushAttrib(AttributeMask.All);
gl.PushClientAttrib(OpenGL.GL_CLIENT_ALL_ATTRIB_BITS);
gl.VertexPointer(3, 0, vertexs);
gl.NormalPointer(OpenGL.GL_FLOAT, 0, normals);
gl.TexCoordPointer(2, OpenGL.GL_FLOAT, 0, texCoord);
gl.EnableClientState(OpenGL.GL_VERTEX_ARRAY);
gl.EnableClientState(OpenGL.GL_NORMAL_ARRAY);
gl.EnableClientState(OpenGL.GL_TEXTURE_COORD_ARRAY);
gl.Translate(position.x, position.y + sizeY / 2, position.z);
gl.Color(color.GetInArrWithAlpha());
DrawArrayWithTexture(gl, OpenGL.GL_QUADS, 0, 4, textureZplus); //z+
DrawArrayWithTexture(gl, OpenGL.GL_QUADS, 4, 4, textureYplus); //y+
DrawArrayWithTexture(gl, OpenGL.GL_QUADS, 8, 4, textureZminus); //z-
DrawArrayWithTexture(gl, OpenGL.GL_QUADS, 12, 4, textureYminus); //y-
DrawArrayWithTexture(gl, OpenGL.GL_QUADS, 16, 4, textureXminus); //x-
DrawArrayWithTexture(gl, OpenGL.GL_QUADS, 20, 4, texture); //x+
gl.PopClientAttrib();
gl.PopAttrib();
gl.PopMatrix();
}
static void ArrowShaftCylinder(SharpGL.OpenGL gl, float r_Arrow_shaft_cylinder, float cyl_height, double step, double zscale)
{
double stopper = Math.PI - step;
for (double i = 0.0; i < stopper; i += step)
{
float x = r_Arrow_shaft_cylinder * ( float )Math.Sin(i);
float y = r_Arrow_shaft_cylinder * ( float )Math.Cos(i);
const float z = 0.0f;
float x0 = x;
float y0 = y;
float z0 = cyl_height * ( float )zscale;
double i0 = i + step;
float x1 = r_Arrow_shaft_cylinder * ( float )Math.Sin(i0);
float y1 = r_Arrow_shaft_cylinder * ( float )Math.Cos(i0);
const float z1 = 0.0f;
float x2 = x1;
float y2 = y1;
float z2 = cyl_height * ( float )zscale;
float [] Vertex0 = { x, y, z };
float [] Vertex1 = { x0, y0, z0 };
float [] Vertex2 = { x1, y1, z1 };
float [] Vertex3 = { x2, y2, z2 };
//Triangle . Draw ( gl , Vertex0 , Vertex1 , Vertex2 , true , false );
//Triangle . Draw ( gl , Vertex1 , Vertex2 , Vertex3 , false , false );
}
}
/// <summary>
/// Creates the display list. This function draws the
/// geometry as well as compiling it.
/// </summary>
void CreateDisplayList(SharpGL.OpenGL gl)
{
// Create the display list.
this.displayList = new DisplayList();
// Generate the display list and
this.displayList.Generate(gl);
this.displayList.New(gl, DisplayList.DisplayListMode.CompileAndExecute);
// Push attributes, set the color.
gl.PushAttrib(OpenGL.GL_CURRENT_BIT | OpenGL.GL_ENABLE_BIT |
OpenGL.GL_LINE_BIT);
gl.Disable(OpenGL.GL_LIGHTING);
gl.Disable(OpenGL.GL_TEXTURE_2D);
gl.LineWidth(1.0f);
// Draw the grid lines.
gl.Begin(SharpGL.OpenGL.GL_LINES);
for (int i = -10; i <= 10; i++)
{
float fcol = ((i % 10) == 0) ? 0.3f : 0.15f;
gl.Color(fcol, fcol, fcol);
gl.Vertex(i, -10, 0);
gl.Vertex(i, 10, 0);
gl.Vertex(-10, i, 0);
gl.Vertex(10, i, 0);
}
gl.End();
// Restore attributes.
gl.PopAttrib();
// End the display list.
this.displayList.End(gl);
}
public static void LocalAxis(SharpGL.OpenGL gl)
{
double[] Reddish = { 0.9, 0.3, 0.4 };
double[] Greenish = { 0.1, 0.8, 0.3 };
double[] Bluish = { 0.1, 0.2, 0.8 };
gl.PushAttrib(SharpGL.OpenGL.GL_LIGHTING);
gl.Disable(SharpGL.OpenGL.GL_LIGHTING);
gl.LineWidth(3);
gl.Color(Reddish);
gl.Begin(SharpGL.Enumerations.BeginMode.LineLoop);
gl.Vertex(0f, 0f, 0f);
gl.Vertex(1f, 0f, 0f);
gl.End( );
gl.Color(Greenish);
gl.Begin(SharpGL.Enumerations.BeginMode.LineLoop);
gl.Vertex(0f, 0f, 0f);
gl.Vertex(0f, 1f, 0f);
gl.End( );
gl.Color(Bluish);
gl.Begin(SharpGL.Enumerations.BeginMode.LineLoop);
gl.Vertex(0f, 0f, 0f);
gl.Vertex(0f, 0f, 1f);
gl.End( );
gl.PopAttrib( );
}
/// <summary>
/// Draw a BuildingObjectLib3DS object.
/// </summary>
/// <param name="gl">Opengl handler.</param>
/// <param name="buildingObj">The BuildingObjectLib3DS object.</param>
public void DrawBuildingPart(OpenGL gl, BuildingObjectLib3DS buildingObj, DrawType type)
{
// Return when the input object is null
if (buildingObj == null)
return;
// Draw all the children when type is Building, Floor or room. Or draw a Object.
switch (buildingObj.GetBuildingType())
{
case BuildingObjectType.Building:
case BuildingObjectType.Floor:
case BuildingObjectType.Room:
foreach (BuildingObjectLib3DS child in buildingObj.GetChilds().Values)
{
DrawBuildingPart(gl, child, type);
}
break;
case BuildingObjectType.Outside:
case BuildingObjectType.Object:
DrawObject(gl, buildingObj, type);
break;
default:
break;
}
}
public void InitTextures(OpenGL gl)
{
gl.GenerateMipmapEXT(OpenGL.GL_TEXTURE_2D);
foreach(ImageTexture tex in _textures){
tex.InitTexture(gl);
}
}
public override void Draw(SharpGL.OpenGL gl)
{
base.Draw(gl);
if (_data == null)
{
}
gl.BindTexture(OpenGL.GL_TEXTURE_2D, 0);
gl.Begin(OpenGL.GL_QUAD_STRIP);
for (int i = 0; i < _data.Length; i++)
{
gl.Color(_data[i], _data[i], _data[i]);
_x = ((GetSize().x / 256f) * i) + CamController.X - (GetSize().x / 2f);
gl.Vertex(_x, GetPosition().y + _data[i] * _height);
//gl.Vertex(_x, GetPosition().y + _data[i] * _height - 1.0f);
gl.Vertex(_x, GetPosition().y);
}
gl.End();
gl.Begin(OpenGL.GL_QUAD_STRIP);
for (int i = 0; i < _data.Length; i++)
{
gl.Color(_data[i] - 0.5f, _data[i] - 0.5f, _data[i] - 0.5f);
_x = ((GetSize().x / 256f) * i) + CamController.X - (GetSize().x / 2f);
gl.Vertex(_x, GetPosition().y - _data[i] * _height / 10.0f);
//gl.Vertex(_x, GetPosition().y + _data[i] * _height - 1.0f);
gl.Color(_data[i], _data[i], _data[i]);
gl.Vertex(_x, GetPosition().y);
}
gl.End();
}
public void PushObjectSpace(OpenGL gl)
{
gl.PushMatrix();
gl.Translate(pos.X, pos.Y, pos.Z);
if (material != null)
material.Push(gl);
}
private void openGLControl1_OpenGLDraw(object sender, PaintEventArgs e)
{
// Get the OpenGL object, for quick access.
SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
// Clear and load the identity.
gl.Clear(OpenGL.COLOR_BUFFER_BIT | OpenGL.DEPTH_BUFFER_BIT);
gl.LoadIdentity();
// View from a bit away the y axis and a few units above the ground.
gl.LookAt(0, -5, 3, 0, 0, 0, 0, 1, 0);
// Rotate the objects every cycle.
gl.Rotate(rotate, 0.0f, 0.0f, 1.0f);
// Move the objects down a bit so that they fit in the screen better.
gl.Translate(0, 0, -1);
// Draw some axies.
gl.StockDrawing.Axies.Call(gl);
// Draw every polygon in the collection.
foreach (Polygon polygon in polygons)
{
polygon.Draw(gl);
}
// Rotate a bit more each cycle.
rotate += 1.0f;
}
public override void Draw(SharpGL.OpenGL gl)
{
gl.PushMatrix();
float halfSize = size / 2;
gl.Translate(position.x, position.y + halfSize, position.z);
gl.Color(color.GetInArrWithAlpha());
Point3D[] vertex = new Point3D[]
{
new Point3D(halfSize, halfSize, halfSize),
new Point3D(-halfSize, halfSize, halfSize),
new Point3D(-halfSize, -halfSize, halfSize),
new Point3D(halfSize, -halfSize, halfSize),
new Point3D(halfSize, halfSize, -halfSize),
new Point3D(-halfSize, halfSize, -halfSize),
new Point3D(-halfSize, -halfSize, -halfSize),
new Point3D(halfSize, -halfSize, -halfSize)
};
DrawPrimitive.Quard(gl, vertex[0], vertex[1], vertex[2], vertex[3], false);
DrawPrimitive.Quard(gl, vertex[0], vertex[4], vertex[5], vertex[1], false);
DrawPrimitive.Quard(gl, vertex[7], vertex[6], vertex[5], vertex[4], false);
DrawPrimitive.Quard(gl, vertex[3], vertex[2], vertex[6], vertex[7], false);
DrawPrimitive.Quard(gl, vertex[1], vertex[5], vertex[6], vertex[2], false);
DrawPrimitive.Quard(gl, vertex[0], vertex[3], vertex[7], vertex[4], false);
gl.PopMatrix();
}
public void Render(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode)
{
// update matrix and bind shader program
mat4 projectionMatrix = camera.GetProjectionMat4();
mat4 viewMatrix = camera.GetViewMat4();
mat4 modelMatrix = glm.scale(mat4.identity(), new vec3(1, 1, this.ZAxisScale));
shaderProgram.Bind(gl);
shaderProgram.SetUniformMatrix4(gl, strprojectionMatrix, projectionMatrix.to_array());
shaderProgram.SetUniformMatrix4(gl, strviewMatrix, viewMatrix.to_array());
shaderProgram.SetUniformMatrix4(gl, strmodelMatrix, modelMatrix.to_array());
gl.BindVertexArray(vao[0]);
// 启用Primitive restart
gl.Enable(OpenGL.GL_PRIMITIVE_RESTART);
gl.PrimitiveRestartIndex(uint.MaxValue);// 截断图元（四边形带、三角形带等）的索引值。
//GL.DrawArrays(primitiveMode, 0, vertexCount);
gl.DrawElements((uint)primitiveMode, vertexCount + (this.pipe.Count - 1) * 2, OpenGL.GL_UNSIGNED_INT, IntPtr.Zero);
gl.BindVertexArray(0);
gl.Disable(OpenGL.GL_PRIMITIVE_RESTART);
// unbind shader program
shaderProgram.Unbind(gl);
}
/// <summary>
/// Предполагается, что текущая матрица видовая.
/// (Modelview)
/// </summary>
/// <param name="gl"></param>
public void Draw(SharpGL.OpenGL gl)
{
//! свет важно задавать после установки видовой матрицы!
light0.Draw();
light1.Draw();
if (ShowAxis)
{
axis.Draw(gl);
}
if (ShowGrid)
{
grid.Draw(gl);
}
//версия с отражением от пола
//gl.PushMatrix();
//gl.PushAttrib(AttributeMask.All);
//gl.Scale(1, -1, 1);
//gl.FrontFace(OpenGL.GL_CW);
//figs.ForEach(x => x.Draw(gl));
//gl.PopMatrix();
//gl.Enable(OpenGL.GL_BLEND);
//gl.FrontFace(OpenGL.GL_CCW);
//(new Ground(new ColorF(0.5f, 0.5f, 0.5f, 0.8f), new Point3D(0, 0, 0), 200, 200)).Draw(gl);
//gl.PopAttrib();
//без отражения
figs.ForEach(x => x.Draw(gl));
}
public override void Draw(SharpGL.OpenGL gl)
{
gl.PushMatrix();
gl.PushAttrib(AttributeMask.All);
gl.PushClientAttrib(OpenGL.GL_CLIENT_ALL_ATTRIB_BITS);
gl.VertexPointer(3, 0, vertexs);
gl.NormalPointer(OpenGL.GL_FLOAT, 0, normals);
gl.TexCoordPointer(2, OpenGL.GL_FLOAT, 0, texCoord);
gl.EnableClientState(OpenGL.GL_VERTEX_ARRAY);
//gl.EnableClientState(OpenGL.GL_COLOR_ARRAY);
gl.EnableClientState(OpenGL.GL_NORMAL_ARRAY);
gl.EnableClientState(OpenGL.GL_TEXTURE_COORD_ARRAY);
gl.Translate(position.x, position.y + sizeY / 2, position.z);
gl.Color(color.GetInArrWithAlpha());
if (texture != null)
{
gl.Enable(OpenGL.GL_TEXTURE_2D);
texture.Bind(gl);
}
else
{
gl.Disable(OpenGL.GL_TEXTURE_2D);
}
gl.DrawArrays(OpenGL.GL_QUADS, 0, 24);
gl.PopClientAttrib();
gl.PopAttrib();
gl.PopMatrix();
}
//rysowanie siatki
private void openGLControl1_OpenGLDraw(object sender, PaintEventArgs e)
{
SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
gl.Clear(OpenGL.COLOR_BUFFER_BIT | OpenGL.DEPTH_BUFFER_BIT);
gl.LoadIdentity();
gl.Translate(0, 0, tz);
gl.Rotate(rotX, 1, 0, 0);
gl.Rotate(rotZ, 0, 0, 1);
gl.Begin(OpenGL.TRIANGLES);
gl.Color(1, 0, 0, 1);
int multt = 1;
gl.Vertex((minY - (heightArray.Length / 2)) * multt, (minX - (heightArray.Length / 2)) * multt, heightArray[minY][minX]);
gl.Vertex((minY - (heightArray.Length / 2)) * multt, (minX + 1 - (heightArray.Length / 2)) * multt, heightArray[minY + 1][minX]);
gl.Vertex((minY + 1 - (heightArray.Length / 2)) * multt, (minX - (heightArray.Length / 2)) * multt, heightArray[minY][minX + 1]);
gl.End();
gl.Color(1, 1, 1, 1);
gl.Begin(OpenGL.LINES);
for (int i = 0; i < heightArray.Length - 1; i++)
{
for (int j = 0; j < heightArray[0].Length - 1; j++)
{
DrawTriangle(gl, i, j);
}
}
gl.End();
}
/// <summary>
///
/// </summary>
/// <param name="gl">OpenGLControl.OpenGL</param>
/// <param name="camera"></param>
public SimLabGrid(OpenGL gl, IScientificCamera camera)
{
if (gl == null || camera == null) { throw new ArgumentNullException(); }
this.gl = gl;
this.camera = camera;
}
public TileSetEditor()
{
InitializeComponent();
// Get the OpenGL object, for quick access.
SharpGL.OpenGL gl1 = this.openGLControl1.OpenGL;
SharpGL.OpenGL gl2 = this.openGLControl2.OpenGL;
// A bit of extra initialisation here, we have to enable textures.
gl1.Enable(OpenGL.GL_TEXTURE_2D);
gl2.Enable(OpenGL.GL_TEXTURE_2D);
//transparancy crap needs to work at somepoint
//gl1.Enable(OpenGL.GL_BLEND);
//gl1.BlendFunc(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE_MINUS_SRC_ALPHA);
//gl1.TexImage2D(OpenGL.GL_TEXTURE_2D, 0, OpenGL.GL_RGBA, imgWidth, imgHeight, 0, OpenGL.GL_RGBA, OpenGL.GL_UNSIGNED_BYTE,);
openGLControl1.MouseClick += HandleMouseClick1;
openGLControl2.MouseClick += HandleMouseClick2;
//openGLControl2.MouseDown += HandleMouseDown; Deal with this crap later
//openGLControl2.MouseUp += HandleMouseUp;
tileSet.ChangeTileSetSize(100);
hScrollBar1.Visible = false;
vScrollBar1.Visible = false;
hScrollBar2.Visible = false;
vScrollBar2.Visible = false;
}
private void openGLControl1_OpenGLInitialized(object sender, EventArgs e)
{
// Get the OpenGL object, for quick access.
SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
// We need to load the texture from file.
textureImage = new Bitmap("Crate.bmp");
// A bit of extra initialisation here, we have to enable textures.
gl.Enable(OpenGL.GL_TEXTURE_2D);
// Get one texture id, and stick it into the textures array.
gl.GenTextures(1, textures);
// Bind the texture.
gl.BindTexture(OpenGL.GL_TEXTURE_2D, textures[0]);
// Tell OpenGL where the texture data is.
gl.TexImage2D(OpenGL.GL_TEXTURE_2D, 0, 3, textureImage.Width, textureImage.Height, 0, OpenGL.GL_BGR, OpenGL.GL_UNSIGNED_BYTE,
textureImage.LockBits(new Rectangle(0, 0, textureImage.Width, textureImage.Height),
ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb).Scan0);
// Specify linear filtering.
gl.TexParameter(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MIN_FILTER, OpenGL.GL_LINEAR);
gl.TexParameter(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MAG_FILTER, OpenGL.GL_LINEAR);
}
//-------------------------------------
public override void ConvertPrimitive(I3DPrimitive primitive, SharpGL.OpenGL gl)
{
C3DPrimitiveQuad quad = primitive as C3DPrimitiveQuad;
if (quad == null || quad.Points == null || quad.Points.Length != 4)
{
return;
}
for (int nTmp = 0; nTmp < 2; nTmp++)
{
if (nTmp == 0)
{
gl.PolygonMode(OpenGL.FRONT_AND_BACK, OpenGL.FILL);
gl.Color(GetComposantsCouleur(quad.Couleur));
}
else
{
gl.PolygonMode(OpenGL.FRONT_AND_BACK, OpenGL.LINE);
gl.Color(0.0f, 0.0f, 0.0f, 1.0f);
}
gl.Material(OpenGL.FRONT_AND_BACK, OpenGL.SPECULAR, GetComposantsCouleur(quad.Couleur));
gl.Material(OpenGL.FRONT_AND_BACK, OpenGL.SHININESS, 100.0f);
gl.Begin(OpenGL.QUADS);
//Fond
//gl.Normal3f(0f, 0f, -1.0f);
for (int n = 0; n < 4; n++)
{
gl.Vertex(quad.Points[n].X, quad.Points[n].Y, quad.Points[n].Z);
}
gl.End();
}
}
public FormExample2()
{
InitializeComponent();
// Get the OpenGL object, for quick access.
SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
// We need to load the texture from file.
textureImage = new Bitmap("Crate.bmp");
// A bit of extra initialisation here, we have to enable textures.
gl.Enable(OpenGL.TEXTURE_2D);
// Get one texture id, and stick it into the textures array.
gl.GenTextures(1, textures);
// Bind the texture.
gl.BindTexture(OpenGL.TEXTURE_2D, textures[0]);
// Tell OpenGL where the texture data is.
gl.TexImage2D(OpenGL.TEXTURE_2D, 0, 3, textureImage.Width, textureImage.Height, 0, OpenGL.RGB, OpenGL.UNSIGNED_BYTE,
textureImage.LockBits(new Rectangle(0, 0, textureImage.Width, textureImage.Height),
ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb).Scan0);
gl.TexParameter(OpenGL.TEXTURE_2D, OpenGL.TEXTURE_MIN_FILTER, OpenGL.LINEAR); // Linear Filtering
gl.TexParameter(OpenGL.TEXTURE_2D, OpenGL.TEXTURE_MAG_FILTER, OpenGL.LINEAR); // Linear Filtering
}
private void openGLControl2_Load(object sender, EventArgs e)
{
this.openGLControl2.OpenGLDraw += new System.Windows.Forms.PaintEventHandler(this.openGLControl2_OpenGLDraw);
SharpGL.OpenGL gl = this.openGLControl2.OpenGL;
gl.Color(0.0f, 0.0f, 0.0f);
}
private void openGLControl_OpenGLDraw(object sender, RenderEventArgs args)
{
SharpGL.OpenGL gl = this.openGLControl.OpenGL;
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl.LoadIdentity();
gl.LookAt(camera.eyex, camera.eyey, camera.eyez, camera.centerx, camera.centery, camera.centerz, 0, 1, 0);
/*gl.LookAt(
* 2, 2, 2,
* 0, 0, 0,
* 0, 1, 0);*/
//gl.Rotate(rtri, 0.0f, 1.0f, 0.0f);
ShowGrid(gl);
if (isDrawCube)
{
drawCube(gl);
}
else if (isDrawPyramid)
{
drawPyramid(gl);
}
else if (isDrawPrism)
{
drawPrism(gl);
}
rtri += 1.0f;
}
public LinesBase(OpenGL gl, List<Tuple<vec3, vec3>> lines, Material material = null, OGLModelUsage usage = OGLModelUsage.StaticRead)
{
var verts = new vec3[lines.Count * 2];
var normals = new vec3[lines.Count * 2];
var indices = new uint[lines.Count * 2];
for (int i = 0; i < lines.Count; i++)
{
var i2 = i * 2;
verts[i2] = lines[i].Item1;
verts[i2 + 1] = lines[i].Item2;
normals[i2] = new vec3(1, 1, 1);
normals[i2 + 1] = new vec3(1, 1, 1);
indices[i2] = (uint)i2;
indices[i2 + 1] = (uint)(i2 + 1);
}
if (material != null)
Material = material;
Vertices = verts;
Normals = normals;
Indices = indices;
GlDrawMode = OpenGL.GL_LINES;
if (gl != null)
GenerateGeometry(gl, usage);
}
public static void Initialize(OpenGL gl)
{
ShaderManager.gl = gl;
vertexShaders = new Dictionary<string, VertexShader>();
geometryShaders = new Dictionary<string, GeometryShader>();
fragmentShaders = new Dictionary<string, FragmentShader>();
}
private static void InitView(OpenGLControl control, OpenGL gl)
{
gl.MatrixMode(MatrixMode.Projection);
gl.LoadIdentity();
gl.Ortho(0, control.ActualWidth, control.ActualHeight, 0, -10, 10);
gl.MatrixMode(MatrixMode.Modelview);
}
private void DrawTrefoilVertices(OpenGL gl)
{
// Render each vertex.
gl.Begin(BeginMode.Points);
foreach(var vertex in trefoilKnot.Vertices)
gl.Vertex(vertex);
gl.End();
}
public Shader(OpenGL gl, uint shaderType, string name, string source)
{
Name = name;
Source = source;
ID = gl.CreateShader(shaderType);
gl.ShaderSource(ID, Source);
gl.CompileShader(ID);
}
public uint CreateShader(OpenGL gl, string source, uint mode)
{
uint shaderId = gl.CreateShader(mode);
gl.ShaderSource(shaderId, source);
gl.CompileShader(shaderId);
StringBuilder glError = new StringBuilder();
gl.GetShaderInfoLog(shaderId, 1000, new IntPtr(), glError);
return shaderId;
}
public override void OnResize(OpenGL gl, int width, int height)
{
if (width == -1 || height == -1) return;
using (new Bind(_shader))
{
_camera.Resize(width, height);
gl.UniformMatrix4(_projectionUniform, 1, false, _camera.Projection.ToColumnMajorArray());
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ApplicationState"/> class.
/// </summary>
private ApplicationState()
{
// Create the OpenGL instance.
OpenGL = new OpenGL();
// Initialise the OpenGL instance.
OpenGL.Create(RenderContextType.FBO,
800, 600, 24, null);
}
/// <summary>
/// Create and add a new ShaderProgram from the given sources.
/// Call this function if you decide to add your own shaders.
/// </summary>
/// <param name="gl">The OpenGL</param>
/// <param name="vertexShaderSource">The path to the vertex shader code.</param>
/// <param name="fragmentShaderSource">The path to the fragment shader code.</param>
/// <param name="shaderName">The name for the shader.</param>
public static ExtShaderProgram CreateShader(OpenGL gl, IShaderParameterIds parameters, string vertexShaderSource, string fragmentShaderSource)
{
// Create the per pixel shader.
ShaderProgram shader = new ShaderProgram();
shader.Create(gl,
ManifestResourceLoader.LoadTextFile(vertexShaderSource),
ManifestResourceLoader.LoadTextFile(fragmentShaderSource), _attributeLocations);
return new ExtShaderProgram(shader, parameters);
}
private static string getProgramInfoLog(OpenGL gl, uint programHandle)
{
int[] logLength = new int[1];
gl.GetProgram(programHandle, OpenGL.GL_INFO_LOG_LENGTH, logLength);
StringBuilder log = new StringBuilder(logLength[0]);
gl.GetProgramInfoLog(programHandle, logLength[0], IntPtr.Zero, log);
return log.ToString();
}
/// <summary>
/// Function to draw the model
/// </summary>
private void drawModel(OpenGL gl)
{
if(l_vboId != null)
{
gl.EnableClientState(OpenGL.GL_VERTEX_ARRAY);
gl.EnableClientState(OpenGL.GL_COLOR_ARRAY);
// itering over each list of points
for(int k = 0; k < l_vboId.Count; k++)
{
gl.PushMatrix();
//transformations
gl.Scale(1.0f / f_scale, 1.0f / f_scale, 1.0f / f_scale);
gl.Translate(-v_center.X, -v_center.Y, -v_center.Z);
//vertexes
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, l_vboId[k][0]);
gl.VertexPointer(3, OpenGL.GL_FLOAT, 0, BUFFER_OFFSET_ZERO);
//color
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, l_vboId[k][1]);
gl.ColorPointer(3, OpenGL.GL_FLOAT, 0, BUFFER_OFFSET_ZERO);
//draw l_sizes[k] points
gl.DrawArrays(OpenGL.GL_POINTS, 0, l_sizes[k]);
gl.PopMatrix();
}
gl.DisableClientState(OpenGL.GL_VERTEX_ARRAY);
gl.DisableClientState(OpenGL.GL_COLOR_ARRAY);
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, 0);
}
}
