merge avec Sprite

en espérant que ça a rien kapout pt kc

enginecustom/Light.ps

@@ -10,6 +10,7 @@ Texture2D shaderTexture : register(t0);
 SamplerState SampleType : register(s0);
 cbuffer LightBuffer
 {
+    float4 ambientColor;
     float4 diffuseColor;
     float3 lightDirection;
     float padding;
@@ -41,14 +42,23 @@ float4 LightPixelShader(PixelInputType input) : SV_TARGET
     // Sample the pixel color from the texture using the sampler at this texture coordinate location.
     textureColor = shaderTexture.Sample(SampleType, input.tex);
 
-    // Invert the light direction for calculations.
+    // Set the default output color to the ambient light value for all pixels.
+    color = ambientColor;
+
+	// Invert the light direction for calculations.
     lightDir = -lightDirection;
 
     // Calculate the amount of light on this pixel.
     lightIntensity = saturate(dot(input.normal, lightDir));
 
-    // Determine the final amount of diffuse color based on the diffuse color combined with the light intensity.
-    color = saturate(diffuseColor * lightIntensity);
+      if(lightIntensity > 0.0f)
+    {
+        // Determine the final diffuse color based on the diffuse color and the amount of light intensity.
+        color += (diffuseColor * lightIntensity);
+    }
+
+    // Saturate the final light color.
+    color = saturate(color);
 
     // Multiply the texture pixel and the final diffuse color to get the final pixel color result.
     color = color * textureColor;