public AxisPreview(KauWindow window, int size = 60, int border = 25)
{
this.size = size;
this.border = border;
Events.WindowResize += OnResize;
OnResize(window);
using (var loader = new KauRock.Loaders.Shader()) {
loader.AddRaw("axis-preview.vert", vertShader, ShaderType.VertexShader);
loader.AddRaw("axis-preview.frag", fragShader, ShaderType.FragmentShader);
shader = loader.Load("axis-preview.vert", "axis-preview.frag");
}
vertexArray = GL.GenVertexArray();
vertexBuffer = GL.GenBuffer();
elementBuffer = GL.GenBuffer();
GL.BindVertexArray(vertexArray);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * verts.Length, verts, BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, elementBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, sizeof(uint) * tris.Length, tris, BufferUsageHint.StaticDraw);
int stride = sizeof(float) * 6;
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, stride, 0);
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, stride, stride / 2);
GL.EnableVertexAttribArray(1);
}
public SkyDome()
{
GenerateDome(18, 6, 28, out Vertex[] verts, out int[] tris);
triangleCount = tris.Length;
// Load the frag and vert shaders from a string.
using (var loader = new KauRock.Loaders.Shader()) {
loader.AddRaw("sky.frag", fragShader, ShaderType.FragmentShader);
loader.AddRaw("sky.vert", vertShader, ShaderType.VertexShader);
shader = loader.Load("sky.frag", "sky.vert");
}
// Create our VertexArray.
vertexArray = GL.GenVertexArray();
vertexBuffer = GL.GenBuffer();
GL.BindVertexArray(vertexArray);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
// Use named storage (struct) for our vertex data.
GL.NamedBufferStorage(vertexBuffer, Vertex.Size * verts.Length, verts, BufferStorageFlags.MapWriteBit);
// Tell GL where to get 'aPosition' from in our shader data.
int aPosition = shader.GetAttribLocation("aPosition");
GL.VertexArrayAttribBinding(vertexArray, aPosition, 0);
GL.EnableVertexArrayAttrib(vertexArray, aPosition);
GL.VertexArrayAttribFormat(
vertexArray,
aPosition, // The attribute that we are going to set.
3, // The size of the attribute (3 floats).
VertexAttribType.Float, // The type of attribute (floats).
false, // Don't need to normalize as it's already normalized.
0 // The offset of the item.
);
// Tell GL where to get 'aColor' from in our shader data.
int aColor = shader.GetAttribLocation("aColor");
GL.VertexArrayAttribBinding(vertexArray, aColor, 0);
GL.EnableVertexArrayAttrib(vertexArray, aColor);
GL.VertexArrayAttribFormat(
vertexArray,
aColor, // The attribute that we are going to set.
3, // The size of the attribute (3 floats).
VertexAttribType.Float, // The type of attribute (floats).
false, // Don't need to normalize as it's already normalized.
3 * sizeof(float) // The offset of the item.
);
GL.VertexArrayVertexBuffer(vertexArray, 0, vertexBuffer, System.IntPtr.Zero, Vertex.Size);
// Give GL our triangle structure.
elementBuffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ElementArrayBuffer, elementBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, sizeof(int) * tris.Length, tris, BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindVertexArray(0);
}
