[筆記]經堯老師的Quartz Composer 4-1

1.QC常見的多種互動物件，包含[OSC Receiver]、[Mouse]、[Keyboard]、[MIDI Notes Receiver]、[MIDI Controllers Receiver]、[HID]

• [OSC Receiver]，Open Sound Control 訊號接收器，可以接收來自其它軟體的訊號，例如Pd、Processing 、OpenFrameWork等等。 

Example 4-1:Pd 傳遞訊息到QC

QC 中[OSC Receiver]的Port Number 設置為12000時，Pd傳遞的位址也要設成12000。

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• [Mouse]，偵測滑鼠輸入。
• [Keyboard]，鍵盤上的訊號，但「shift」、「enter」等按鈕無法偵測。
• [MIDI Notes Receiver]，接收鋼琴類的midi樂器。

• [MIDI Controllers Receiver]，接收滑桿、旋鈕等midi樂器，例如 nano Kontrol

• [HID]，接在mac上的外接控制，如滑鼠、鍵盤、搖桿等。透過此方式，鍵盤的shift、control等按鍵也能被偵測。

2.[timeline] 物件節點新增方式。

按住option鍵點選，增加一個新的影格。按住control 鍵點選，出現調整曲線控制把。

更多功能如下：

Expose this area to see Timeline help.

Double-Click: Edit a key frame or control point coordinates.

[Option]-Click: Add a new key frame to, or remove clicked key frame from, the selected timeline.

[Option]-[Shift]-Click: Add a new key frame onto the curve, preserving the curve's shape.

[Control]-Click: Collapse clicked control point, or both control points if a key frame is clicked.

[Control]-Drag: Expose control points for clicked key frame, or break and reset linear relationship between control points.

[Shift]-Drag: Constrain control point dragging to multiples of 45 degrees angles.