public BasicShaderProgram(CameraUBO ubo)
{
CompileShader(ShaderType.VertexShader, @"#version 400
precision highp float;
layout(std140) uniform Camera {
mat4 MVP;
mat4 Model;
mat4 View;
mat4 Projection;
mat4 NormalMatrix;
};
layout (location = 0) in vec3 vert_position;
layout (location = 1) in vec3 vert_normal;
layout (location = 2) in vec4 vert_colour;
out vec4 col;
void main(void)
{
gl_Position = (MVP) * vec4(vert_position, 1);
col = vert_colour;
}");
CompileShader(ShaderType.FragmentShader, @"#version 400
in vec4 col;
layout( location = 0 ) out vec4 FragColor;
void main() {
FragColor = col;
}");
Link();
ubo.BindToShaderProgram(this);
}
protected override void OnLoad(EventArgs e)
{
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.CullFace);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
//solid = new Cube();
var data = new List<OpenGLVertex>
{
new OpenGLVertex {Position = new Vector3(-1, -1, 0), Colour =new Color4(0.118f, 0.118f, 0.118f, 1f).ToVector4()},//bottom left
new OpenGLVertex {Position = new Vector3(1, -1, 0), Colour= new Color4(0.118f, 0.118f, 0.118f, 1f).ToVector4() }, //bottom right
new OpenGLVertex {Position = new Vector3(1, 1, 0), Colour = new Color4(0.176f, 0.176f, 0.188f, 1f).ToVector4() },//top right
new OpenGLVertex {Position = new Vector3(-1, 1, 0), Colour = new Color4(0.176f, 0.176f, 0.188f, 1f).ToVector4()},//top left
};
_ubo = new CameraUBO();
_shader = new FlatShaderProgram();
_basicShader = new BasicShaderProgram(_ubo);
_vbo = new VBO(data) { BeginMode = BeginMode.Quads };
_vao = new VAO(_shader, _vbo);
var dotdata = new List<OpenGLVertex>
{
new OpenGLVertex {Position = new Vector3(0, 0, 0)},
new OpenGLVertex {Position = new Vector3(10, 10, 0)},
};
_dotsvbo = new VBO(dotdata) { BeginMode = BeginMode.Lines };
_dotsvao = new VAO(_basicShader, _dotsvbo);
var stl = new STL("rounded_cube.stl", Color.GreenYellow);
var cubedata = new List<OpenGLVertex>();
var col = stl.Color.ToVector4();
foreach (var ele in stl.Elements)
{
cubedata.Add(new OpenGLVertex { Position = ele.P1.ToVector3(), Normal = ele.Normal.ToVector3(), Colour = col });
cubedata.Add(new OpenGLVertex { Position = ele.P2.ToVector3(), Normal = ele.Normal.ToVector3(), Colour = col });
cubedata.Add(new OpenGLVertex { Position = ele.P3.ToVector3(), Normal = ele.Normal.ToVector3(), Colour = col });
}
_geovbo = new VBO(cubedata) { BeginMode = BeginMode.Triangles };
_geovao = new VAO(_basicShader, _geovbo);
var err = GL.GetError();
if (err != ErrorCode.NoError)
Console.WriteLine("Error at OnLoad: " + err);
}
protected override void OnLoad(EventArgs e)
{
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.CullFace);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.PointSize(5f);
_ubo = new CameraUBO();
_shader = new BasicShaderProgram(_ubo);
_vao = new VAO(_shader, new VBO(new List<Vertex>(FetchData(_tree))) { BeginMode = BeginMode.Quads });
var green = new Color4(0.156f, 0.627f, 0.353f, 1.0f).ToVector4();
var data = new List<Vertex>();
foreach (var element in stl.Elements)
{
data.Add(new Vertex { Colour = green, Position = element.P1.ToVector3() });
data.Add(new Vertex { Colour = green, Position = element.P2.ToVector3() });
data.Add(new Vertex { Colour = green, Position = element.P3.ToVector3() });
}
_vao2 = new VAO(_shader, new VBO(data) { BeginMode = BeginMode.Triangles });
var filled = _tree.Flatten().Where(o => o.State == NodeState.Filled).ToArray();
_vaoFilled = new VAO(_shader, new VBO(new List<Vertex>(FetchDataSolid(filled))) { BeginMode = BeginMode.Quads });
var err = GL.GetError();
if (err != ErrorCode.NoError)
Console.WriteLine("Error at OnLoad: " + err);
}