The operation process of making a point move along a certain arc on the geometric sketchpad

php Editor Baicao Geometric Sketchpad creates a point of operation process that moves along a flexible arc, allowing you to easily learn how to use the Geometric Sketchpad tool to draw various exquisite graphics and curves. Through the detailed guidance in this article, you will master the skills of making motion graphics along flexible arcs, bringing more inspiration and possibilities to your design.

Construct an arc. To create an animation of points moving on an arc, you first need to construct an arc. The arc is obtained based on the circle, so you still need to draw the circle in the geometry sketchpad first.

Click the [Circle Tool] button on the toolbar, click the mouse mark in the work area on the right, drag the mouse mark after determining the center of the circle, and click the mouse mark again after determining the size of the circle. The circle is drawn.

The circle tool is a very practical tool. First, you need to pick two free points on the circle. Select the [Point Tool] on the left sidebar, press the button, and pick two points A and B on the circle. , then use the move tool to select the center, point A, and point B in sequence, then click the [Construction] menu on the upper menu bar, select the [Circle] menu, and thus get the arc AB.

Construct free point C on arc AB. Select [Move Tool] on the left sidebar, click the [Construction] menu on the upper menu bar, and select the [Point on Arc] command from its drop-down option, so that you can get the free point C,

Create point animation. Use the move tool to select point C, click the [Edit] menu in the upper menu bar, select the [Operation Button]-[Animation] command from its drop-down option, and click OK in the pop-up dialog box, so that you get the animation point button. Click this button, and point C will move back and forth freely on arc AB. Hide unnecessary objects and the final effect is as shown in the figure.

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