spotlight

main.cpp

@@ -99,9 +99,9 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
 	float ambientMaterial[] = { 0.2f,0.2f,0.2f,1.0f };
 	float diffuseLightColor[] = { 1.0f,1.0f,1.0f,1.0f };
 	float diffuseMaterial[] = { 0.6f,0.6f,0.6f,1.0f };
-	float lightPos[] = {0.0f,1.5f,-3.0f,1.0f};
-	float spotLightDirection[] = {0.0f, -1.0f, 0.0f, 1.0f};
-	float spotLightCutoff = 15.0f;
+	float lightPos[] = {0.0f,1.5f,-3.0f,0.0f};
+	float spotLightDirection[] = {0.0f, -1.0f, 0.0f, 64.0f};//°Ñ×îºóһλ¸Ä³É......
+	float spotLightCutoff = 30.0f;
 	float specularLightColor[] = { 1.0f,1.0f,1.0f,1.0f };
 	float specularMaterial[] = { 1.0f,1.0f,1.0f,1.0f };
 	float eyePos[] = { 0.0f,0.0f,0.0f };

res/shader/test.fs

@@ -55,10 +55,10 @@ void main()
 	float diffuseIntensity = 0.0;
 	
 	if(currentCosThta > cosThta){
-		diffuseIntensity = 0.8;
+		diffuseIntensity = pow(currentCosThta, U_LightDirection.w);
 	}
 	
-	vec4 diffuseColor = U_DiffuseLightColor * U_DiffuseMaterial * diffuseIntensity * attenuation;
+	vec4 diffuseColor = U_DiffuseLightColor * U_DiffuseMaterial * diffuseIntensity * attenuation *4.0;
 
 	gl_FragColor = ambientColor + diffuseColor;
 }