static Graphics()
{
QuadShader = Assets.Shaders["screenquad"];
screenQuad = new VertexArray();
vbo = new Buffer <float>();
vbo.Initialize(new[] {
-1f, -1f, 0, 0,
1f, -1f, 1, 0,
-1f, 1f, 0, 1,
1f, 1f, 1, 1,
}, BufferUsageHint.StaticDraw);
ebo = new Buffer <uint>();
ebo.Initialize(new uint[] {
0, 1, 2,
2, 1, 3
}, BufferUsageHint.StaticDraw);
screenQuad.SetBuffer(BufferTarget.ArrayBuffer, vbo);
screenQuad.SetBuffer(BufferTarget.ElementArrayBuffer, ebo);
screenQuad.AttribPointer(QuadShader.GetAttribLocation("vPos"), 2, VertexAttribPointerType.Float, false, sizeof(float) * 4, 0);
screenQuad.AttribPointer(QuadShader.GetAttribLocation("texCoords"), 2, VertexAttribPointerType.Float, false, sizeof(float) * 4, sizeof(float) * 2);
}
static Draw()
{
// Init Sprite
spriteVbo = new Buffer <float>();
spriteVbo.Initialize(new float[] {
-.5f, -.5f, 0f, 1, 0,
-.5f, .5f, 0f, 0, 0,
.5f, -.5f, 0f, 1, 1,
.5f, .5f, 0f, 0, 1
}, OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
spriteEbo = new Buffer <uint>();
spriteEbo.Initialize(new uint[] {
0, 1, 2,
3, 2, 1
}, OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
spriteVao = new VertexArray();
spriteVao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ArrayBuffer, spriteVbo);
spriteVao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ElementArrayBuffer, spriteEbo);
spriteVao.AttribPointer(Program.StandardShader.GetAttribLocation("v_pos"), 3, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 5, 0);
spriteVao.AttribPointer(Program.StandardShader.GetAttribLocation("v_uv"), 2, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 5, sizeof(float) * 3);
// Init cube
}
public void Init()
{
if (IsInitialized)
{
//throw new Exception("Mesh is already initialized");
Console.WriteLine("skipping Mesh init() because it was already initialized");
return;
}
vao = new VertexArray();
vbo = new Buffer <Vertex>();
vbo.Initialize(vertices.ToArray(), OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
ebo = new Buffer <uint>();
ebo.Initialize(indices.ToArray(), OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ArrayBuffer, vbo);
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ElementArrayBuffer, ebo);
vao.AttribPointer(0, 3, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 8, 0);
vao.AttribPointer(1, 2, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 8, sizeof(float) * 3);
vao.AttribPointer(2, 3, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 8, sizeof(float) * 5);
}
protected override void Load()
{
shader = CreateShader(File.ReadAllText("data/frag.glsl"), File.ReadAllText("data/vert.glsl"));
#region init buffers
vbo = new Buffer <float>();
vbo.Initialize(new float[] {
-.5f, -.5f, 1, 0,
-.5f, .5f, 0, 0,
.5f, -.5f, 1, 1,
.5f, .5f, 0, 1
}, OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
ebo = new Buffer <uint>();
ebo.Initialize(new uint[] {
0, 1, 2,
3, 2, 1
}, OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
vao = new VertexArray();
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ArrayBuffer, vbo);
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ElementArrayBuffer, ebo);
vao.AttribPointer(shader.GetAttribLocation("pos"), 2, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 4, 0);
vao.AttribPointer(shader.GetAttribLocation("uv"), 2, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 4, sizeof(float) * 2);
#endregion
xtexture = new Texture2D(Resource1.xchar);
otexture = new Texture2D(Resource1.ochar);
Window.MouseDown += Window_MouseDown;
}
static Graphics()
{
vbo = new Buffer <float>();
vbo.Initialize(new float[] {
-.5f, -.5f,
-.5f, .5f,
.5f, -.5f,
.5f, .5f,
}, OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
ebo = new Buffer <uint>();
ebo.Initialize(new uint[] {
0, 2, 1,
3, 1, 2
}, OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
vao = new VertexArray();
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ArrayBuffer, vbo);
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ElementArrayBuffer, ebo);
vao.AttribPointer(0, 2, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 2, 0);
var glerror = GL.GetError();
if (glerror != ErrorCode.NoError)
{
Console.WriteLine(glerror + " after loading User interface graphics");
}
}
static Sphere()
{
var verts = new List <float>();
var indces = new List <uint>();
var delta = (PI * 2) / 12;
for (int i = 0; i < 12; i++)
{
verts.Add((float)Cos(i * delta));
verts.Add((float)Sin(i * delta));
indces.Add(12);
indces.Add((uint)i);
if (i == 11)
{
indces.Add(0);
}
else
{
indces.Add((uint)i + 1);
}
}
verts.Add(0); verts.Add(0);
vbo = new Buffer <float>();
vbo.Initialize(verts.ToArray(), OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
ebo = new Buffer <uint>();
ebo.Initialize(indces.ToArray(), OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
vao = new VertexArray();
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ArrayBuffer, vbo);
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ElementArrayBuffer, ebo);
vao.AttribPointer(Program.shader.GetAttribLocation("pos"), 2, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 2, 0);
}
protected override void Load()
{
shader = CreateShader(System.IO.File.ReadAllText("data/frag.glsl"), System.IO.File.ReadAllText("data/vert.glsl"));
shader.Use();
var vbo = new Buffer <float>();
vbo.Initialize(new float[] {
-1, -1,
-1, 1,
1, -1,
1, 1
}, OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
var ebo = new Buffer <uint>();
ebo.Initialize(new uint[] {
0, 1, 2,
3, 2, 1
}, OpenTK.Graphics.OpenGL4.BufferUsageHint.StaticDraw);
vao = new VertexArray();
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ArrayBuffer, vbo);
vao.SetBuffer(OpenTK.Graphics.OpenGL4.BufferTarget.ElementArrayBuffer, ebo);
vao.AttribPointer(shader.GetAttribLocation("v_pos"), 2, OpenTK.Graphics.OpenGL4.VertexAttribPointerType.Float, false, sizeof(float) * 2, 0);
Window.MouseWheel += Window_MouseWheel;
Window.MouseMove += Window_MouseMove;
}
static Skybox()
{
shader = Assets.Shaders["skybox"];
boxvao = new VertexArray();
vbo = new Buffer <float>();
vbo.Initialize(new float[] {
-1.0f, 1.0f, -1.0f,
-1.0f, -1.0f, -1.0f,
1.0f, -1.0f, -1.0f,
1.0f, -1.0f, -1.0f,
1.0f, 1.0f, -1.0f,
-1.0f, 1.0f, -1.0f,
-1.0f, -1.0f, 1.0f,
-1.0f, -1.0f, -1.0f,
-1.0f, 1.0f, -1.0f,
-1.0f, 1.0f, -1.0f,
-1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f,
1.0f, -1.0f, -1.0f,
1.0f, -1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
1.0f, 1.0f, -1.0f,
1.0f, -1.0f, -1.0f,
-1.0f, -1.0f, 1.0f,
-1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
1.0f, -1.0f, 1.0f,
-1.0f, -1.0f, 1.0f,
-1.0f, 1.0f, -1.0f,
1.0f, 1.0f, -1.0f,
1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, -1.0f,
-1.0f, -1.0f, -1.0f,
-1.0f, -1.0f, 1.0f,
1.0f, -1.0f, -1.0f,
1.0f, -1.0f, -1.0f,
-1.0f, -1.0f, 1.0f,
1.0f, -1.0f, 1.0f
}, BufferUsageHint.StaticDraw);
boxvao.SetBuffer(BufferTarget.ArrayBuffer, vbo);
boxvao.AttribPointer(0, 3, VertexAttribPointerType.Float, false, sizeof(float) * 3, 0);
}
