public void RenderObject()
{
// set up
float[] vertices = new float[] { -0.5f, -0.5f, 0.0f, 0.5f, -0.5f, 0.0f, 0.0f, 0.5f, 0.0f };
int vao;
VertexBufferObject <float> vbo;
GL.GenVertexArrays(1, out vao);
vbo = new VertexBufferObject <float>(sizeof(float), vertices);
GL.BindVertexArray(vao);
vbo.BindBuffer();
vbo.CreateBuffer(BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 3 * sizeof(float), 0);
GL.EnableVertexAttribArray(0);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindVertexArray(0);
//actual renderering
GL.ClearColor(OpenTK.Graphics.Color4.CornflowerBlue);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
shaderMgr.InitialiseAShader("test1");
shaderMgr.GetShader("test1").Use();
GL.BindVertexArray(vao);
vbo.Draw(PrimitiveType.Triangles);
GL.BindVertexArray(0);
}
public void RenderObject(VertexBufferObject <Vertex> vbo, VertexArrayObject <Vertex> vao, int shaderIndex, Matrix4 modelTransform, int textureIndex)
{
ApplySettingsNow();
if (!depthteston)
{
GL.Enable(EnableCap.DepthTest);
depthteston = true;
}
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
shaderMgr.InitialiseAShader(shaderIndex);
Uniform.Matrix4Uniform model = new Uniform.Matrix4Uniform("model");
model.Matrix = modelTransform;
Uniform.Matrix4Uniform view = new Uniform.Matrix4Uniform("view");
view.Matrix = cameraMgr.GetActiveCamera().GetVeiwMatrix();
Uniform.Matrix4Uniform projection = new Uniform.Matrix4Uniform("projection");
projection.Matrix = GetProjectionMatrix();
Shader shader = shaderMgr.GetShader(shaderIndex);
shader.Use();
model.Set(shader);
view.Set(shader);
projection.Set(shader);
GL.ActiveTexture(TextureUnit.Texture0);
textureMgr.GetTexture(textureIndex).BindTexture();
textureMgr.GetTexture(textureIndex).ActivateTexture(TextureUnit.Texture0, shader, "theTexture", 0);
vao.Bind();
vbo.BindBuffer();
vbo.Draw(PrimitiveType.Triangles);
}
public void RenderObject(VertexBufferObject <Vertex> item, VertexArrayObject <Vertex> vao, int shaderIndex)
{
if (settingschanged)
{
ApplySettingsNow();
}
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
shaderMgr.InitialiseAShader(shaderIndex);
Shader shader = shaderMgr.GetShader(shaderIndex);
shader.Use();
vao.Bind();
item.BindBuffer();
item.Draw(PrimitiveType.Triangles);
}
public void RenderObject(VertexBufferObject <Vertex> vbo, VertexArrayObject <Vertex> vao, int shaderIndex, Matrix4 modelTransform)
{
ApplySettingsNow();
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
shaderMgr.InitialiseAShader(shaderIndex);
Uniform.Matrix4Uniform model = new Uniform.Matrix4Uniform("model");
model.Matrix = modelTransform;
Uniform.Matrix4Uniform view = new Uniform.Matrix4Uniform("view");
view.Matrix = cameraMgr.GetActiveCamera().GetVeiwMatrix();
Uniform.Matrix4Uniform projection = new Uniform.Matrix4Uniform("projection");
projection.Matrix = GetProjectionMatrix();
Shader shader = shaderMgr.GetShader(shaderIndex);
shader.Use();
model.Set(shader);
view.Set(shader);
projection.Set(shader);
vao.Bind();
vbo.BindBuffer();
vbo.Draw(PrimitiveType.Triangles);
}
public void RenderBackGround()
{
//create the cylinder if needed
if (BGvbo == null)
{
CreateBackgroundCone();
}
if (depthteston)
{
GL.Disable(EnableCap.DepthTest);
depthteston = false;
}
Shader shader = null;
if (BGData.FogStart < BGData.FogEnd & BGData.FogStart < 600.0f)
{
shaderMgr.InitialiseAShader("BackgroundFog");
shader = shaderMgr.GetShader("BackgroundFog");
BackgroundFog(shader);
}
else
{
shaderMgr.InitialiseAShader("BackgroundNoFog");
shader = shaderMgr.GetShader("BackgroundNoFog");
}
shader.Use();
textureMgr.GetTexture(BGData.BackgroundTextureIndex).ActivateTexture(TextureUnit.Texture0, shader, "background", 0);
BGvao.Bind();
BGvbo.BindBuffer();
BGSideWallebo.Bind();
BGCapsebo.Bind();
BGSideWallebo.Draw(PrimitiveType.Quads);
BGCapsebo.Draw(PrimitiveType.Triangles);
BGvao.UnBind();
BGvbo.UnBind();
BGSideWallebo.Unbind();
BGCapsebo.Unbind();
}