예제 #1
0
        public GPURelativeToEye(Context context, Vector3D[] positions, byte[] colors)
        {
            _sp = Device.CreateShaderProgram(
                EmbeddedResources.GetText("OpenGlobe.Examples.GPURelativeToEye.Shaders.VS.glsl"),
                EmbeddedResources.GetText("OpenGlobe.Examples.Shaders.FS.glsl"));
            _cameraEyeHigh = (Uniform <Vector3F>)_sp.Uniforms["u_cameraEyeHigh"];
            _cameraEyeLow  = (Uniform <Vector3F>)_sp.Uniforms["u_cameraEyeLow"];
            _modelViewPerspectiveMatrixRelativeToEye = (Uniform <Matrix4F>)(_sp.Uniforms["u_modelViewPerspectiveMatrixRelativeToEye"]);
            _pointSize = (Uniform <float>)_sp.Uniforms["u_pointSize"];

            ///////////////////////////////////////////////////////////////////

            Mesh mesh = new Mesh();
            VertexAttributeFloatVector3 positionsHighAttribute = new VertexAttributeFloatVector3("positionHigh", positions.Length);
            VertexAttributeFloatVector3 positionsLowAttribute  = new VertexAttributeFloatVector3("positionLow", positions.Length);
            VertexAttributeRGB          colorAttribute         = new VertexAttributeRGB("color", positions.Length);

            mesh.Attributes.Add(positionsHighAttribute);
            mesh.Attributes.Add(positionsLowAttribute);
            mesh.Attributes.Add(colorAttribute);

            for (int i = 0; i < positions.Length; ++i)
            {
                Vector3F positionHigh;
                Vector3F positionLow;
                Vector3DToTwoVector3F(positions[i], out positionHigh, out positionLow);

                positionsHighAttribute.Values.Add(positionHigh);
                positionsLowAttribute.Values.Add(positionLow);
            }

            for (int i = 0; i < colors.Length; ++i)
            {
                colorAttribute.Values.Add(colors[i]);
            }

            _va = context.CreateVertexArray(mesh, _sp.VertexAttributes, BufferHint.StaticDraw);

            ///////////////////////////////////////////////////////////////////

            RenderState renderState = new RenderState();

            renderState.FacetCulling.Enabled = false;
            renderState.DepthTest.Enabled    = false;
            renderState.ProgramPointSize     = ProgramPointSize.Enabled;

            _drawState = new DrawState(renderState, _sp, _va);
        }
예제 #2
0
        public GPURelativeToEye(Context context, Vector3D[] positions, byte[] colors)
        {
            _sp = Device.CreateShaderProgram(
                EmbeddedResources.GetText("OpenGlobe.Examples.GPURelativeToEye.Shaders.VS.glsl"),
                EmbeddedResources.GetText("OpenGlobe.Examples.Shaders.FS.glsl"));
            _cameraEyeHigh = (Uniform<Vector3F>)_sp.Uniforms["u_cameraEyeHigh"];
            _cameraEyeLow = (Uniform<Vector3F>)_sp.Uniforms["u_cameraEyeLow"];
            _modelViewPerspectiveMatrixRelativeToEye = (Uniform<Matrix4F>)(_sp.Uniforms["u_modelViewPerspectiveMatrixRelativeToEye"]);
            _pointSize = (Uniform<float>)_sp.Uniforms["u_pointSize"];

            ///////////////////////////////////////////////////////////////////

            Mesh mesh = new Mesh();
            VertexAttributeFloatVector3 positionsHighAttribute = new VertexAttributeFloatVector3("positionHigh", positions.Length);
            VertexAttributeFloatVector3 positionsLowAttribute = new VertexAttributeFloatVector3("positionLow", positions.Length);
            VertexAttributeRGB colorAttribute = new VertexAttributeRGB("color", positions.Length);
            mesh.Attributes.Add(positionsHighAttribute);
            mesh.Attributes.Add(positionsLowAttribute);
            mesh.Attributes.Add(colorAttribute);

            for (int i = 0; i < positions.Length; ++i)
            {
                Vector3F positionHigh;
                Vector3F positionLow;
                Vector3DToTwoVector3F(positions[i], out positionHigh, out positionLow);

                positionsHighAttribute.Values.Add(positionHigh);
                positionsLowAttribute.Values.Add(positionLow);
            }

            for (int i = 0; i < colors.Length; ++i)
            {
                colorAttribute.Values.Add(colors[i]);
            }

            _va = context.CreateVertexArray(mesh, _sp.VertexAttributes, BufferHint.StaticDraw);

            ///////////////////////////////////////////////////////////////////

            RenderState renderState = new RenderState();
            renderState.FacetCulling.Enabled = false;
            renderState.DepthTest.Enabled = false;
            renderState.ProgramPointSize = ProgramPointSize.Enabled;

            _drawState = new DrawState(renderState, _sp, _va);
        }
예제 #3
0
        public RelativeToCenter(Context context, Vector3D[] positions, byte[] colors)
        {
            _sp = Device.CreateShaderProgram(
                EmbeddedResources.GetText("OpenGlobe.Examples.RelativeToCenter.Shaders.VS.glsl"),
                EmbeddedResources.GetText("OpenGlobe.Examples.Shaders.FS.glsl"));
            _modelViewPerspectiveMatrixRelativeToCenter = (Uniform <Matrix4F>)(_sp.Uniforms["u_modelViewPerspectiveMatrixRelativeToCenter"]);
            _pointSize = (Uniform <float>)_sp.Uniforms["u_pointSize"];

            ///////////////////////////////////////////////////////////////////

            Mesh mesh = new Mesh();
            VertexAttributeFloatVector3 positionsAttribute = new VertexAttributeFloatVector3("position", positions.Length);
            VertexAttributeRGB          colorAttribute     = new VertexAttributeRGB("color", positions.Length);

            mesh.Attributes.Add(positionsAttribute);
            mesh.Attributes.Add(colorAttribute);

            _center = new AxisAlignedBoundingBox(positions).Center;
            for (int i = 0; i < positions.Length; ++i)
            {
                positionsAttribute.Values.Add((positions[i] - _center).ToVector3F());
            }

            for (int i = 0; i < colors.Length; ++i)
            {
                colorAttribute.Values.Add(colors[i]);
            }

            _va = context.CreateVertexArray(mesh, _sp.VertexAttributes, BufferHint.StaticDraw);

            ///////////////////////////////////////////////////////////////////

            RenderState renderState = new RenderState();

            renderState.FacetCulling.Enabled = false;
            renderState.DepthTest.Enabled    = false;
            renderState.ProgramPointSize     = ProgramPointSize.Enabled;

            _drawState = new DrawState(renderState, _sp, _va);
        }
예제 #4
0
        public RelativeToCenter(Context context, Vector3D[] positions, byte[] colors)
        {
            _sp = Device.CreateShaderProgram(
                EmbeddedResources.GetText("OpenGlobe.Examples.RelativeToCenter.Shaders.VS.glsl"),
                EmbeddedResources.GetText("OpenGlobe.Examples.Shaders.FS.glsl"));
            _modelViewPerspectiveMatrixRelativeToCenter = (Uniform<Matrix4F>)(_sp.Uniforms["u_modelViewPerspectiveMatrixRelativeToCenter"]);
            _pointSize = (Uniform<float>)_sp.Uniforms["u_pointSize"];

            ///////////////////////////////////////////////////////////////////

            Mesh mesh = new Mesh();
            VertexAttributeFloatVector3 positionsAttribute = new VertexAttributeFloatVector3("position", positions.Length);
            VertexAttributeRGB colorAttribute = new VertexAttributeRGB("color", positions.Length);
            mesh.Attributes.Add(positionsAttribute);
            mesh.Attributes.Add(colorAttribute);

            _center = new AxisAlignedBoundingBox(positions).Center;
            for (int i = 0; i < positions.Length; ++i)
            {
                positionsAttribute.Values.Add((positions[i] - _center).ToVector3F());
            }

            for (int i = 0; i < colors.Length; ++i)
            {
                colorAttribute.Values.Add(colors[i]);
            }

            _va = context.CreateVertexArray(mesh, _sp.VertexAttributes, BufferHint.StaticDraw);

            ///////////////////////////////////////////////////////////////////

            RenderState renderState = new RenderState();
            renderState.FacetCulling.Enabled = false;
            renderState.DepthTest.Enabled = false;
            renderState.ProgramPointSize = ProgramPointSize.Enabled;

            _drawState = new DrawState(renderState, _sp, _va);
        }