readd Sprite Renderer render and panel edit; in renderer scene, add icon for camera and light; improve a user-friendly EditorCamera, is more like UE Editor Camera; fix woring build m_ProjectionMatrix for SceneCamera::Orthographic

Editor/Editor/EditorLayer.cpp

@@ -102,6 +102,7 @@ namespace Prism
                     }
                 }
 
+                // Draw Colliders
                 if (!m_SelectionContext.empty())
                 {
                     auto& selection = m_SelectionContext[0];
@@ -492,6 +493,7 @@ namespace Prism
         m_ObjectsPanel->OnImGuiRender();
 
         m_SceneHierarchyPanel->OnImGuiRender();
+        m_EditorCamera.OnImGuiRender();
 
         // Editor Panel ------------------------------------------------------------------------------
         ImGui::Begin("Environment");
@@ -880,14 +882,17 @@ namespace Prism
             m_RuntimeScene->OnEvent(e);
         }
 
-		EventDispatcher dispatcher(e);
-		dispatcher.Dispatch<KeyPressedEvent>(PM_BIND_EVENT_FN(EditorLayer::OnKeyPressedEvent));
-		dispatcher.Dispatch<MouseButtonPressedEvent>(PM_BIND_EVENT_FN(EditorLayer::OnMouseButtonPressedEvent));
+        if (Input::GetCursorMode() == CursorMode::Normal)
+        {
+		    EventDispatcher dispatcher(e);
+            dispatcher.Dispatch<KeyPressedEvent>(PM_BIND_EVENT_FN(EditorLayer::OnKeyPressedEvent));
+            dispatcher.Dispatch<MouseButtonPressedEvent>(PM_BIND_EVENT_FN(EditorLayer::OnMouseButtonPressedEvent));
+        }
     }
 
     bool EditorLayer::OnKeyPressedEvent(KeyPressedEvent& e)
     {
-        if (m_ViewportPanelHovered)
+        if (m_ViewportPanelFocused)
         {
             switch (e.GetKeyCode())
             {

Editor/assets/shaders/Renderer2D.glsl

@@ -6,14 +6,14 @@
 layout(location = 0) in vec3 a_Position;
 layout(location = 1) in vec4 a_Color;
 layout(location = 2) in vec2 a_TexCoord;
-layout(location = 3) in float a_TexIndex;
+layout(location = 3) in int a_TexIndex;
 layout(location = 4) in float a_TilingFactor;
 
 uniform mat4 u_ViewProjection;
 
 out vec4 v_Color;
 out vec2 v_TexCoord;
-out float v_TexIndex;
+flat out int v_TexIndex;
 out float v_TilingFactor;
 
 void main()
@@ -32,12 +32,17 @@ layout(location = 0) out vec4 color;
 
 in vec4 v_Color;
 in vec2 v_TexCoord;
-in float v_TexIndex;
+flat in int v_TexIndex;
 in float v_TilingFactor;
 
 uniform sampler2D u_Textures[32];
 
 void main()
 {
-    color = texture(u_Textures[int(v_TexIndex)], v_TexCoord * v_TilingFactor) * v_Color;
+    vec4 texColor = texture(u_Textures[v_TexIndex], v_TexCoord * v_TilingFactor) * v_Color;
+
+    if(texColor.a < 0.1)
+        discard;
+
+    color = texColor;
 }