public void AddSceneObject(SceneObject sceneObject)
{
if (sceneObject is Light)
{
SceneLights.AddSceneLight(sceneObject as Light);
}
if (!sceneObjects.ContainsKey(sceneObject.Name))
{
sceneObjects.Add(sceneObject.Name, sceneObject);
}
}
public void Render(float SceneWidth, float SceneHeight)
{
if (!TimeManager.Instance.IsStarted)
{
TimeManager.Instance.Start();
}
TotalTime = TimeManager.Instance.GetElapsedSeconds(); //Delta time calculation - refactor
CurrentScene.deltaTime = TotalTime - lastFrameTime;
lastFrameTime = TotalTime;
gridFloor.Render(CurrentScene.ActiveCamera.GetViewMatrix(), CurrentScene.ActiveCamera.GetProjectionMatrix(SceneWidth, SceneHeight));
foreach (Renderable renderObj in GetAllRenderables())
{
Light simpleLight = null;
if (SceneLights.PointLightsCount > 0)
{
simpleLight = SceneLights.GetLightsByType(Light.eLightType.Point)[0];
}
simpleLight.Position.X = 2.0f * (float)Math.Sin(TimeManager.Instance.GetElapsedSeconds() / 2);
simpleLight.Position.Z = 2.0f * (float)Math.Cos(TimeManager.Instance.GetElapsedSeconds() / 2);
Light simpleLight2 = null;
if (SceneLights.PointLightsCount > 1)
{
simpleLight2 = SceneLights.GetLightsByType(Light.eLightType.Point)[1];
}
simpleLight2.Position.X = 2.0f * (float)Math.Sin(-TimeManager.Instance.GetElapsedSeconds());
simpleLight2.Position.Z = 2.0f * (float)Math.Cos(-TimeManager.Instance.GetElapsedSeconds());
renderObj.Render(CurrentScene.ActiveCamera.GetViewMatrix(), CurrentScene.ActiveCamera.GetProjectionMatrix(SceneWidth, SceneHeight));
renderObj?.ShaderProgram?.SetVector(Constants.ShaderConstants.SHADER_PARAM_LIT_CAMERA_POSITION, Scene.CurrentScene.ActiveCamera.Position);
renderObj?.ShaderProgram?.SetVector(Constants.ShaderConstants.SHADER_PARAM_LIT_AMBIENT_COLOR, SceneLights.Ambient.LightColor, false);
renderObj?.ShaderProgram?.SetFloat(Constants.ShaderConstants.SHADER_PARAM_LIT_AMBIENT_INTENSITY, SceneLights.Ambient.LightIntensity);
if (simpleLight != null)
{
renderObj?.ShaderProgram?.SetVector(Constants.ShaderConstants.SHADER_PARAM_LIT_SIMPLELIGHT_COLOR, simpleLight.LightColor, false);
renderObj?.ShaderProgram?.SetFloat(Constants.ShaderConstants.SHADER_PARAM_LIT_SIMPLELIGHT_INTENSITY, simpleLight.LightIntensity);
renderObj?.ShaderProgram?.SetVector(Constants.ShaderConstants.SHADER_PARAM_LIT_SIMPLELIGHT_POSITION, simpleLight.Position);
}
renderObj?.ShaderProgram?.SetVector("material.ambient", 1.0f, 0.5f, 0.31f);
renderObj?.ShaderProgram?.SetVector("material.diffuse", 1.0f, 0.5f, 0.31f);
renderObj?.ShaderProgram?.SetVector("material.specular", 0.5f, 0.5f, 0.5f);
renderObj?.ShaderProgram?.SetFloat("material.shininess", 32.0f);
int lightIndex = 0;
foreach (PointLight pointLight in SceneLights.GetLightsByType(Light.eLightType.Point))
{
renderObj?.ShaderProgram?.SetVector(string.Format("PointLights[{0}].position", lightIndex), pointLight.Position);
renderObj?.ShaderProgram?.SetVector(string.Format("PointLights[{0}].diffuse", lightIndex), pointLight.LightColor, false);
renderObj?.ShaderProgram?.SetVector(string.Format("PointLights[{0}].specular", lightIndex), pointLight.LightColor, false);
renderObj?.ShaderProgram?.SetFloat(string.Format("PointLights[{0}].intensity", lightIndex), pointLight.LightIntensity);
renderObj?.ShaderProgram?.SetFloat(string.Format("PointLights[{0}].constant", lightIndex), pointLight.Constant);
renderObj?.ShaderProgram?.SetFloat(string.Format("PointLights[{0}].linear", lightIndex), pointLight.Linear);
renderObj?.ShaderProgram?.SetFloat(string.Format("PointLights[{0}].quadratic", lightIndex), pointLight.Quadratic);
lightIndex++;
}
lightIndex = 0;
foreach (DirectionalLight directionalLight in SceneLights.GetLightsByType(Light.eLightType.Directional))
{
renderObj?.ShaderProgram?.SetVector(string.Format("DirLights[{0}].direction", lightIndex), directionalLight.Direction);
renderObj?.ShaderProgram?.SetVector(string.Format("DirLights[{0}].diffuse", lightIndex), directionalLight.LightColor, false);
renderObj?.ShaderProgram?.SetVector(string.Format("DirLights[{0}].specular", lightIndex), directionalLight.LightColor, false);
renderObj?.ShaderProgram?.SetFloat(string.Format("DirLights[{0}].intensity", lightIndex), directionalLight.LightIntensity);
lightIndex++;
}
lightIndex = 0;
foreach (SpotLight spotLight in SceneLights.GetLightsByType(Light.eLightType.Spot))
{
renderObj?.ShaderProgram?.SetVector(string.Format("SpotLights[{0}].position", lightIndex), spotLight.Position);
renderObj?.ShaderProgram?.SetVector(string.Format("SpotLights[{0}].direction", lightIndex), spotLight.Direction);
renderObj?.ShaderProgram?.SetFloat(string.Format("SpotLights[{0}].cutoff", lightIndex), (float)Math.Cos(XNA.MathHelper.ToRadians(spotLight.InnerAngle)));
renderObj?.ShaderProgram?.SetFloat(string.Format("SpotLights[{0}].outerCutoff", lightIndex), (float)Math.Cos(XNA.MathHelper.ToRadians(spotLight.OuterAngle)));
renderObj?.ShaderProgram?.SetVector(string.Format("SpotLights[{0}].diffuse", lightIndex), spotLight.LightColor, false);
renderObj?.ShaderProgram?.SetVector(string.Format("SpotLights[{0}].specular", lightIndex), spotLight.LightColor, false);
renderObj?.ShaderProgram?.SetFloat(string.Format("SpotLights[{0}].intensity", lightIndex), spotLight.LightIntensity);
lightIndex++;
}
}
}
public Scene()
{
sceneObjects = new Dictionary <string, SceneObject>();
gridFloor = new Grid();
SceneLights = new SceneLights();
}
