protected void BeforeRendering(OpenGL gl, RenderMode renderMode) { IScientificCamera camera = this.camera; if (camera != null) { if (camera.CameraType == CameraTypes.Perspecitive) { IPerspectiveViewCamera perspective = camera; this.projectionMatrix = perspective.GetProjectionMat4(); this.viewMatrix = perspective.GetViewMat4(); } else if (camera.CameraType == CameraTypes.Ortho) { IOrthoViewCamera ortho = camera; this.projectionMatrix = ortho.GetProjectionMat4(); this.viewMatrix = ortho.GetViewMat4(); } else { throw new NotImplementedException(); } } modelMatrix = glm.scale(mat4.identity(), new vec3(1, 1, this.ZAxisScale)); gl.Enable(OpenGL.GL_VERTEX_PROGRAM_POINT_SIZE); gl.Enable(OpenGL.GL_POINT_SPRITE_ARB); gl.TexEnv(OpenGL.GL_POINT_SPRITE_ARB, OpenGL.GL_COORD_REPLACE_ARB, OpenGL.GL_TRUE); gl.Enable(OpenGL.GL_POINT_SMOOTH); gl.Hint(OpenGL.GL_POINT_SMOOTH_HINT, OpenGL.GL_NICEST); gl.Enable(OpenGL.GL_BLEND); gl.BlendEquation(OpenGL.GL_FUNC_ADD_EXT); gl.BlendFuncSeparate(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE_MINUS_SRC_ALPHA, OpenGL.GL_ONE, OpenGL.GL_ONE); ShaderProgram shaderProgram = this.shaderProgram; int[] viewport = new int[4]; gl.GetInteger(OpenGL.GL_VIEWPORT, viewport); shaderProgram.Bind(gl); shaderProgram.SetUniformMatrix4(gl, "projectionMatrix", projectionMatrix.to_array()); shaderProgram.SetUniformMatrix4(gl, "viewMatrix", viewMatrix.to_array()); shaderProgram.SetUniformMatrix4(gl, "modelMatrix", modelMatrix.to_array()); shaderProgram.SetUniform1(gl, "canvasWidth", viewport[2] + 0.0f); shaderProgram.SetUniform1(gl, "canvasHeight", viewport[3] + 0.0f); shaderProgram.SetUniform1(gl, "opacity", this.Opacity); this.texture.Bind(gl); shaderProgram.SetUniform1(gl, "tex", this.texture.TextureName); shaderProgram.SetUniform1(gl, "brightness", this.Brightness); }
protected void BeforeRendering(OpenGL gl, RenderMode renderMode) { IScientificCamera camera = this.camera; if (camera != null) { if (camera.CameraType == CameraTypes.Perspecitive) { IPerspectiveViewCamera perspective = camera; this.projectionMatrix = perspective.GetProjectionMat4(); this.viewMatrix = perspective.GetViewMat4(); } else if (camera.CameraType == CameraTypes.Ortho) { IOrthoViewCamera ortho = camera; this.projectionMatrix = ortho.GetProjectionMat4(); this.viewMatrix = ortho.GetViewMat4(); } else { throw new NotImplementedException(); } } modelMatrix = mat4.identity(); gl.Enable(OpenGL.GL_VERTEX_PROGRAM_POINT_SIZE); gl.Enable(OpenGL.GL_POINT_SPRITE_ARB); gl.TexEnv(OpenGL.GL_POINT_SPRITE_ARB, OpenGL.GL_COORD_REPLACE_ARB, OpenGL.GL_TRUE); gl.Enable(OpenGL.GL_POINT_SMOOTH); gl.Hint(OpenGL.GL_POINT_SMOOTH_HINT, OpenGL.GL_NICEST); gl.Enable(OpenGL.GL_BLEND); gl.BlendEquation(OpenGL.GL_FUNC_ADD_EXT); gl.BlendFuncSeparate(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE_MINUS_SRC_ALPHA, OpenGL.GL_ONE, OpenGL.GL_ONE); gl.BindTexture(OpenGL.GL_TEXTURE_2D, this.texture[0]); int[] viewport = new int[4]; gl.GetInteger(OpenGL.GL_VIEWPORT, viewport); ShaderProgram shader = this.shaderProgram; shader.Bind(gl); shader.SetUniform1(gl, "tex", this.texture[0]); shader.SetUniformMatrix4(gl, "projectionMatrix", projectionMatrix.to_array()); shader.SetUniformMatrix4(gl, "viewMatrix", viewMatrix.to_array()); shader.SetUniformMatrix4(gl, "modelMatrix", modelMatrix.to_array()); shader.SetUniform1(gl, "pointSize", this.textureWidth * 1.0f); shader.SetUniform3(gl, "textColor", this.textColor.x, this.textColor.y, this.textColor.z); }