10 course recommendations on simple animation

1. Effect diagram 2. Principle The first step is to draw a full circle with a customized color. The second step is to draw an inner circle with a radius smaller than the outer circle. The last step is to draw a third circle according to the percentage and the color is customized. Certainly. To achieve the effect of the third step of dynamic drawing, just add a timer function, draw a distance every once in a while, and set a threshold. When it is greater than this threshold, the timer will be cleared. This threshold is actually to display percentage value. Each time you draw 0.01. Note: When drawing in the timer, you need to draw the inner circle in the second step, and the blank circle is also drawn in the timer. 3. Knowledge points Drawing formula: arc(x, y, radius, startRad, endRad, anticlockwise) Draw an arc on the canvas with the coordinate point (x, y) as the center and the radius as radius. The starting arc of this arc is startRad, and the ending arc is endRad. The radian here is calculated as the angle of clockwise rotation based on the positive direction of the x-axis (three o'clock on the clock). anticlockwise means returning in the counterclockwise direction

1. H5 animation--an example of canvas drawing percentage progress of a circle

Introduction: H5 animation, dynamic effect of canvas drawing circle percentage progress h5+javascript simple animation

2. Html5 Canvas Preliminary Study Notes (14) - Simple Animation Implementation

Introduction: Before, it was all simple stillness Drawing, this article implements a simple animation effect, the effect is as follows:

3. jQuery tips that front-end programmers should know

Introduction: By using the animate and scrollTop methods in jQuery, you can create a simple animation of scrolling to the top without a plug-in:

4. css3 implementation with simple animated button navigation

## Introduction: css3 implements button navigation with simple animation

5. CSS3 simple animation_html/css_WEB-ITnose

Introduction: CSS3 simple animation

6. Photoshop replacement filter to make the 2008 Olympic flag

Introduction: Previously we used Photoshop to create simple animations, mainly using the bundled ImageReady for animation production. The Photoshop CS3 Extended version has animation production functions. Learn the theory and techniques of animation production with PHTOTOSHOP. The following is an introduction to the application of PS shift to create animations! This tutorial is mainly about the application of displacement (displacement) filter.

7. A simple animation implemented in native javascript

Introduction: This article introduces you to a javascript implementation animation. When you click the start button, the div will move to the right. When you click stop, the div will stop moving. If you click again, it will continue to move. Please see the code below.

8. jQuery Animation Basics Tutorial_jquery

Introduction: Use jquery to create simple animations, hope to see After reading this article, I suggest that you type it by hand and learn his ideas.

9. A brief analysis of JS simple animation encapsulation_javascript skills

Introduction: JS animation is essentially an analysis of the DOM Style changes. As long as you understand the attribute methods of DOM elements in mainstream browsers, it is not difficult to make JS animation

10. html5 Use canvas to realize Super Mario simple animation_html5 tutorial skills

Introduction: I am learning html5 recently, which involves very key The element canvas-canvas, after searching and researching, I finally realized the simple animation of Super Mario. I would like to share it with you, hoping it will be helpful to beginners

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