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Analysis

Overview

The user can change the opacity of the whole frame.

Task requirements

• The frame opacity should be kept in the model.

• The default frame opacity is 1.

• The frame opacity could be changed by the opacity slider bar in the frame appearance hud.

• The whole frame should be drawn according to the common level of transparency determined by the opacity.

Task result

The result of this task is source code.

Implementation idea

Add a slider bar to the frame appearance hud which values could change from 0 to 1 and a label showing what is the chosen opacity. When creating the scene elements in the frame view multiply all elements color opacity with the frame common opacity.

Related

FRAME_APPEARANE_HALO_AND_HUD_R0?

How to demo

• Demonstrate how a frame becomes lighter when the opacity is closer to 0.

Design

Implementation

^{(Implementation results should be described and linked here (from the wiki or the repository))}

Testing

Comments

^{(Write comments for this or later revisions here.)}