fixed normals

__tmp_scene.yaml

@@ -1,195 +0,0 @@
-engine_version: 0.1.0
-scene_name: __tmp_scene
-scene_hash: a0262a35199dae8ff5db4383e9e2d30c63c7a681d14f524a60210fde4c9dc71e
-format_version: 1
-objects:
-  - name: Tiles
-    uid: f5e01f7892874a67b662633650b41dbd
-    id: 3
-    position: [0, 0]
-    layer: 0
-    visable: true
-    components: []
-    children:
-      - name: Bark
-        uid: 7dc3bbf8affb4844ae3801f03857b904
-        id: 4
-        position: [0, 0]
-        layer: 0
-        visable: true
-        components:
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Pictures\textures\bark_willow_02_diff_1k.png
-            normalMap: C:\Users\spenc\OneDrive\Pictures\textures\bark_willow_02_nor_gl_1k.png
-            renderType: Lit
-        children: []
-      - name: Planks
-        uid: 13d8988343354e3c8a1f51c03ed40cda
-        id: 5
-        position: [1024, 0]
-        layer: 0
-        visable: true
-        components:
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Pictures\textures\wood_floor_worn_diff_1k.png
-            normalMap: C:\Users\spenc\OneDrive\Pictures\textures\wood_floor_worn_nor_gl_1k.png
-            renderType: Lit
-        children: []
-      - name: Rocks
-        uid: cff28abe7e3b455ab9b756acc84cd2d7
-        id: 6
-        position: [0, 1024]
-        layer: 0
-        visable: true
-        components:
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Pictures\textures\ganges_river_pebbles_diff_1k.png
-            normalMap: C:\Users\spenc\OneDrive\Pictures\textures\ganges_river_pebbles_nor_gl_1k.png
-            renderType: Lit
-        children: []
-      - name: Metal
-        uid: 98967eb30e5b429b992766d8062b7c17
-        id: 7
-        position: [1024, 1025]
-        layer: 0
-        visable: true
-        components:
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Pictures\textures\metal_plate_diff_1k.png
-            normalMap: C:\Users\spenc\OneDrive\Pictures\textures\metal_plate_nor_gl_1k.png
-            renderType: Lit
-        children: []
-      - name: Logo
-        uid: c4ce6f16dfb347b0ae0ac67f5881b243
-        id: 8
-        position: [2048, 0]
-        layer: 0
-        visable: true
-        components:
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Pictures\blue_logo.png
-            normalMap: C:\Users\spenc\OneDrive\Pictures\textures\circuits_normal.jpg
-            renderType: Lit
-        children: []
-      - name: Carbooon Fobar
-        uid: 5ea269572751401da6d86519d3513b7d
-        id: 9
-        position: [2567, 1545]
-        layer: 1
-        visable: true
-        components:
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Pictures\textures\carbon-fiber-smooth-bl\carbon-fiber-smooth-bl\carbon-fiber_smooth_albedo.png
-            normalMap: C:\Users\spenc\OneDrive\Pictures\textures\carbon-fiber-smooth-bl\carbon-fiber-smooth-bl\carbon-fiber_smooth_normal-ogl.png
-            renderType: Lit
-        children: []
-      - name: Mud
-        uid: a36b71937ba349bd8e6414f75be9ee16
-        id: 10
-        position: [0, 2561.80005]
-        layer: 0
-        visable: true
-        components:
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Pictures\textures\mud-bl\mud-bl\mud_albedo.png
-            normalMap: C:\Users\spenc\OneDrive\Pictures\textures\mud-bl\mud-bl\mud_normal-ogl.png
-            renderType: Lit
-        children: []
-  - name: Lights
-    uid: 051b338a725a4076ad53ad8fa00c5f4e
-    id: 12
-    position: [-556, 951]
-    layer: 0
-    visable: true
-    components: []
-    children:
-      - name: Red
-        uid: 6afde2dd47aa4557b6afb1a607c99dc8
-        id: 13
-        position: [512, 1024]
-        layer: 2
-        visable: true
-        components:
-          - type: LightComponent
-            color:
-              - 1
-              - 0
-              - 0
-            intensity: 2
-            radius: 1000
-            falloff: 0.100000001
-            type: 0
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Documents\GitHub\Create-Engine\src\assets\icons\lightbulb-on-10.png
-            normalMap: ""
-            renderType: Unlit
-        children: []
-      - name: Green
-        uid: 0f950d76d24b4dc18f54cab2c3aaaf9a
-        id: 14
-        position: [1024, 512]
-        layer: 2
-        visable: true
-        components:
-          - type: LightComponent
-            color:
-              - 0
-              - 1
-              - 0
-            intensity: 2
-            radius: 1000
-            falloff: 1
-            type: 0
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Documents\GitHub\Create-Engine\src\assets\icons\lightbulb-on-10.png
-            normalMap: ""
-            renderType: Unlit
-        children: []
-      - name: Blue
-        uid: 09f722f51c7c4b0f98de3a0a16d127c4
-        id: 15
-        position: [250, 250]
-        layer: 2
-        visable: true
-        components:
-          - type: LightComponent
-            color:
-              - 0
-              - 0
-              - 1
-            intensity: 2
-            radius: 1000
-            falloff: 1
-            type: 0
-          - type: SpriteComponent
-            texture: C:\Users\spenc\OneDrive\Documents\GitHub\Create-Engine\src\assets\icons\lightbulb-on-10.png
-            normalMap: ""
-            renderType: Unlit
-        children: []
-      - name: Ambient light
-        uid: d4fb425522d84a8cbbd7d1415bcd93df
-        id: 16
-        position: [500, 500]
-        layer: 0
-        visable: true
-        components:
-          - type: LightComponent
-            color:
-              - 1
-              - 1
-              - 1
-            intensity: 0
-            radius: 1000000
-            falloff: 1
-            type: 0
-        children: []
-  - name: ScriptHandler
-    uid: 895c655f3dda4aec9f2a354c1276c53e
-    id: 14
-    position: [0, 0]
-    layer: 0
-    visable: true
-    components:
-      - type: ScriptComponent
-        scriptPath: C:\Users\spenc\OneDrive\Documents\GitHub\Create-Engine\src\assets\lua\test.lua
-    children: []

remake/build.log

@@ -1,2 +1,2 @@
-[COMPILE] g++ -std=c++20 -Wall -Isrc/include -Isrc/include/lua -Isrc/vendor -Isrc/vendor/imgui -IC:/msys64/mingw64/include -IC:\msys64\mingw64\lib\libyaml-cpp.a -Isrc\vendor\imgui -MMD -MP -c src\src\Engine.cpp -o src\build\Engine.o
 [LINK] g++ src\build\Engine.o src\build\main.o src\build\Renderer.o src\build\Components\CameraComponent.o src\build\Components\LightComponent.o src\build\Components\ScriptComponent.o src\build\Components\SpriteComponent.o src\build\Components\TextComonent.o src\build\Components\TilemapComponent.o src\build\Entitys\Object.o src\build\utils\EngineConfig.o src\build\utils\ExceptionHandler.o src\build\utils\FileDialog.o src\build\utils\GameObjectsList.o src\build\utils\Logging.o src\build\utils\Shader.o src\build\utils\UID.o src\build\utils\utils.o src\build\imgui\imgui.o src\build\imgui\imgui_demo.o src\build\imgui\imgui_draw.o src\build\imgui\imgui_impl_glfw.o src\build\imgui\imgui_impl_opengl3.o src\build\imgui\imgui_tables.o src\build\imgui\imgui_widgets.o src\build\lapi.o src\build\lauxlib.o src\build\lbaselib.o src\build\lcode.o src\build\lcorolib.o src\build\lctype.o src\build\ldblib.o src\build\ldebug.o src\build\ldo.o src\build\ldump.o src\build\lfunc.o src\build\lgc.o src\build\linit.o src\build\liolib.o src\build\llex.o src\build\lmathlib.o src\build\lmem.o src\build\loadlib.o src\build\lobject.o src\build\lopcodes.o src\build\loslib.o src\build\lparser.o src\build\lstate.o src\build\lstring.o src\build\lstrlib.o src\build\ltable.o src\build\ltablib.o src\build\ltm.o src\build\lua.o src\build\luac.o src\build\lundump.o src\build\lutf8lib.o src\build\lvm.o src\build\lzio.o -o src\build\app.exe -LC:\msys64\mingw64\lib -lglfw3 -lglew32 -lopengl32 -lgdi32 -lyaml-cpp -lcomdlg32 -lssl -lcrypto
+[RUN] Executed app.exe successfully.

src/assets/scenes/lighting_test_2.cene

@@ -1,6 +1,6 @@
 engine_version: 0.1.0
 scene_name: lighting_test_2
-scene_hash: a0262a35199dae8ff5db4383e9e2d30c63c7a681d14f524a60210fde4c9dc71e
+scene_hash: a0ae96d593e1990a6f3944184fd6595738629af0dcb2d4cdd83011a91aaa738c
 format_version: 1
 objects:
   - name: Tiles
@@ -50,7 +50,7 @@ objects:
       - name: Metal
         uid: 98967eb30e5b429b992766d8062b7c17
         id: 7
-        position: [1024, 1025]
+        position: [1024, 1024]
         layer: 0
         visable: true
         components:
@@ -74,7 +74,7 @@ objects:
       - name: Carbooon Fobar
         uid: 5ea269572751401da6d86519d3513b7d
         id: 9
-        position: [2567, 1545]
+        position: [2559.30005, 1562]
         layer: 1
         visable: true
         components:
@@ -178,7 +178,7 @@ objects:
               - 1
               - 1
               - 1
-            intensity: 0
+            intensity: 0.0500000007
             radius: 1000000
             falloff: 1
             type: 0

src/assets/shaders/sprite.frag

@@ -9,9 +9,9 @@ uniform sampler2D uNormalMap;
 
 #define MAX_LIGHTS 512
 
-uniform int uLightCount;
+uniform int   uLightCount;
-uniform vec2 uLightPos[MAX_LIGHTS];
+uniform vec2  uLightPos[MAX_LIGHTS];
-uniform vec3 uLightColor[MAX_LIGHTS];
+uniform vec3  uLightColor[MAX_LIGHTS];
 uniform float uLightIntensity[MAX_LIGHTS];
 uniform float uLightRadius[MAX_LIGHTS];
 
@@ -21,8 +21,11 @@ void main()
     if (texColor.a < 0.1)
         discard;
 
-    vec3 normal = texture(uNormalMap, vUV).rgb * 2.0 - 1.0;
+    // unpack normal map and convert from [0,1] to [-1,1]
-    normal = normalize(normal);
+    vec3 n = texture(uNormalMap, vUV).rgb * 2.0 - 1.0;
+    // invert the green channel for OpenGL
+    n.y = -n.y;
+    vec3 normal = normalize(n);
 
     vec3 finalLight = vec3(0.0);
 

src/src/Engine.cpp

@@ -395,7 +395,7 @@ void Engine::Run()
                     Logger::LogInfo("[LoadScene] Loading Scene.");
                     if (!file.empty())
                         LoadScene(file);
-                    selected =  nullptr;
+                    selected = nullptr;
                 }
                 ImGui::EndMenu();
             }
@@ -404,6 +404,8 @@ void Engine::Run()
             {
                 // simple checkbox never closes the menu when you click it
                 ImGui::Checkbox("Enable Lighting", &g_engineConfig.lighting_enabled);
+                ImGui::Checkbox("Enable Gizmos", &g_engineConfig.settings.draw_gizmos);
+
                 ImGui::EndMenu();
             }
 
@@ -542,6 +544,14 @@ void Engine::Run()
                                    light->GetColor(),
                                    light->GetIntensity(),
                                    light->GetRadius() * cameraZoom);
+
+                Renderer::DrawGizmoCircle(
+                    world,
+                    light->GetRadius(),
+                    64,                    // segments
+                    light->GetColor(), // circle color
+                    cameraPos,
+                    cameraZoom);
             }
 
             // Collect scripts

src/src/Renderer.cpp

@@ -294,6 +294,73 @@ void Renderer::DrawEditorGrid(const glm::vec2 &cameraPos, float zoom)
     glEnd();
 }
 
+void Renderer::DrawGizmoLine(
+    const glm::vec2 &worldStart,
+    const glm::vec2 &worldEnd,
+    const glm::vec3 &color,
+    const glm::vec2 &cameraPos,
+    float zoom)
+{
+    // Transform to screen space
+    glm::vec2 a = (worldStart - cameraPos) * zoom + glm::vec2(width * 0.5f, height * 0.5f);
+    glm::vec2 b = (worldEnd - cameraPos) * zoom + glm::vec2(width * 0.5f, height * 0.5f);
+
+    glUseProgram(0);
+    glLineWidth(2.0f);
+    glColor3f(color.r, color.g, color.b);
+
+    glBegin(GL_LINES);
+    glVertex2f(a.x, a.y);
+    glVertex2f(b.x, b.y);
+    glEnd();
+}
+
+void Renderer::DrawGizmoRect(
+    const glm::vec2 &worldPos,
+    const glm::vec2 &size,
+    const glm::vec3 &color,
+    const glm::vec2 &cameraPos,
+    float zoom)
+{
+    glm::vec2 p0 = worldPos;
+    glm::vec2 p1 = worldPos + glm::vec2(size.x, 0.0f);
+    glm::vec2 p2 = worldPos + size;
+    glm::vec2 p3 = worldPos + glm::vec2(0.0f, size.y);
+
+    // draw four edges
+    DrawGizmoLine(p0, p1, color, cameraPos, zoom);
+    DrawGizmoLine(p1, p2, color, cameraPos, zoom);
+    DrawGizmoLine(p2, p3, color, cameraPos, zoom);
+    DrawGizmoLine(p3, p0, color, cameraPos, zoom);
+}
+
+void Renderer::DrawGizmoCircle(
+    const glm::vec2 &worldCenter,
+    float radius,
+    int segments,
+    const glm::vec3 &color,
+    const glm::vec2 &cameraPos,
+    float zoom)
+{
+    if (segments < 3)
+        segments = 3;
+    const float thetaStep = 2.0f * 3.14159265f / float(segments);
+
+    glUseProgram(0);
+    glLineWidth(2.0f);
+    glColor3f(color.r, color.g, color.b);
+
+    glBegin(GL_LINE_LOOP);
+    for (int i = 0; i < segments; ++i)
+    {
+        float theta = thetaStep * float(i);
+        glm::vec2 worldPoint = worldCenter + glm::vec2(std::cos(theta), std::sin(theta)) * radius;
+        glm::vec2 screenPoint = (worldPoint - cameraPos) * zoom + glm::vec2(width * 0.5f, height * 0.5f);
+        glVertex2f(screenPoint.x, screenPoint.y);
+    }
+    glEnd();
+}
+
 GLuint Renderer::GetRenderTexture()
 {
     return textureColorBuffer;

src/src/Renderer.h

@@ -7,10 +7,6 @@
 #include "Components/SpriteComponent.h"
 #include "utils/EngineConfig.h"
 
-
-
-
-
 struct Light {
     glm::vec2 screenPos;
     glm::vec3 color;
@@ -18,25 +14,55 @@ struct Light {
     float radius;
 };
 
-static int MAX_LIGHTS = g_engineConfig.gl_maxLight;
-
 class Renderer {
 public:
     static void Init();
     static void Resize(int w, int h);
     static void Begin();
     static void End();
+
     static void DrawSprite(SpriteComponent* sprite, const glm::vec2& pos, float zoom, glm::vec2& CameraPos);
-    static void AddLight(const glm::vec2& screenPos, const glm::vec3& color, float intensity, float radius);
     static void DrawTilemap(TilemapComponent* tilemap, const glm::vec2& worldPos, float zoom, const glm::vec2& cameraPos);
+
+    static void AddLight(const glm::vec2& screenPos, const glm::vec3& color, float intensity, float radius);
     static void ClearLights();
+
     static void DrawEditorGrid(const glm::vec2& cameraPos, float zoom);
+
+    // —— New gizmo functions —— 
+    // Draws a colored line between two world‑space points.
+    static void DrawGizmoLine(
+        const glm::vec2& worldStart,
+        const glm::vec2& worldEnd,
+        const glm::vec3& color,
+        const glm::vec2& cameraPos,
+        float zoom
+    );
+
+    // Draws a colored axis‑aligned rectangle in world space.
+    static void DrawGizmoRect(
+        const glm::vec2& worldPos,
+        const glm::vec2& size,
+        const glm::vec3& color,
+        const glm::vec2& cameraPos,
+        float zoom
+    );
+
+    // Draws a colored circle (approximated by segments) in world space.
+    static void DrawGizmoCircle(
+        const glm::vec2& worldCenter,
+        float radius,
+        int segments,
+        const glm::vec3& color,
+        const glm::vec2& cameraPos,
+        float zoom
+    );
+
     static GLuint GetRenderTexture();
     static glm::ivec2 GetSize();
     static int GetDrawCallCount();
     static int GetLightsCount();
 
-
 private:
     static std::vector<Light> s_Lights;
     static GLuint fbo, textureColorBuffer, rbo;

src/src/utils/EngineConfig.cpp

@@ -7,5 +7,8 @@ EngineConfig g_engineConfig {
     .version = "0.1.0",
     .gl_version = "430",
     .gl_maxLight = 512,
+    .settings{
+        .draw_gizmos = true,
+    },
 
 };

src/src/utils/EngineConfig.h

@@ -1,11 +1,17 @@
 #pragma once
 #include <string>
 
+struct UserSettings{
+    bool draw_gizmos;   
+};
+
 struct EngineConfig {
     bool lighting_enabled;
     std::string version;
     std::string gl_version;
     int gl_maxLight;
+
+    UserSettings settings;
 };
 
 extern EngineConfig g_engineConfig;