private void AddHoverLight(HoverLight light)
{
if (activeHoverLights.Count >= hoverLightCount)
{
Debug.LogWarningFormat("Max hover light count ({0}) exceeded.", hoverLightCount);
}
activeHoverLights.Add(light);
}
private void UpdateHoverLights(bool forceUpdate = false)
{
if (lastHoverLightUpdate == -1)
{
Initialize();
}
if (!forceUpdate && (Time.frameCount == lastHoverLightUpdate))
{
return;
}
if (activeHoverLights.Count > 1)
{
Shader.EnableKeyword(multiHoverLightKeyword);
}
else
{
Shader.DisableKeyword(multiHoverLightKeyword);
}
for (int i = 0; i < hoverLightCount; ++i)
{
HoverLight light = (i >= activeHoverLights.Count) ? null : activeHoverLights[i];
int dataIndex = i * hoverLightDataSize;
if (light)
{
hoverLightData[dataIndex] = new Vector4(light.transform.position.x,
light.transform.position.y,
light.transform.position.z,
1.0f);
hoverLightData[dataIndex + 1] = new Vector4(light.Color.r,
light.Color.g,
light.Color.b,
1.0f / Mathf.Clamp(light.Radius, 0.001f, 1.0f));
}
else
{
hoverLightData[dataIndex] = Vector4.zero;
}
}
Shader.SetGlobalVectorArray(_HoverLightDataID, hoverLightData);
lastHoverLightUpdate = Time.frameCount;
}
private void RemoveHoverLight(HoverLight light)
{
activeHoverLights.Remove(light);
}