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Control method of object motion in filmslide

A control method and slide technology, applied in optics, instruments, projection devices, etc., can solve problems such as complex, uncontrollable, and inaccurate motion paths, and achieve the effect of randomness, easy acceptance, and flexible control

Inactive Publication Date: 2006-06-28
WUXI EVERMORE SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The existing methods for setting motion paths and motion speeds have the following defects: there are few types of motion paths, it is inconvenient and inaccurate to draw a custom motion path, and it is time-consuming and laborious; in the fields of education, mathematics and engineering, the motion of object animation The path is often complex and requires free control. The motion paths provided by the above systems are far from sufficient, or are inconvenient to use and uncontrollable; the motion speed of the object can only move at a uniform speed, which cannot meet many practical needs; The position is basically fixed, there is no way to provide a random position, and during the movement, the object itself does not move related to the path, which does not conform to the real scene

Method used

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  • Control method of object motion in filmslide
  • Control method of object motion in filmslide
  • Control method of object motion in filmslide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 2 Shown is the flow chart of this embodiment, which performs the following steps:

[0031] Step 101, the user sets animation parameters for a ring, the motion function is r=θ / 12, (0<θ<1080°), and the motion mode is "moving";

[0032] The user sets the motion path of the object as an Archimedes spiral, and the function equation is expressed in polar coordinates. When the mathematics teacher is teaching related courses, the dot moving along the dotted line can be used to visualize the Students demonstrate how r varies with θ in polar coordinates.

[0033] Step 102, the slideshow processing process stores the above-mentioned animation parameters, and stores the equation of the motion function in the animation parameters;

[0034] Step 103, after receiving the slideshow instruction, the slideshow processing process analyzes the motion function to generate a function image, the function image is as follows: image 3 shown;

[0035] Set the center of the r...

Embodiment 2

[0042] Combining functions with time, using time as an independent variable, you can control the movement speed of objects through functions. In this embodiment, in order to generate and show a dot falling from a static state in a free-fall manner, it performs the following steps:

[0043] Step 201, in order to demonstrate the whereabouts of free fall, the user sets animation parameters for a dot, the motion mode is "moving", and the motion function is y = - 1 2 g t 2 , ( 0 t 2 s ) , where g is the gravitational constant;

[0044] Step 202, the slideshow processing process stores the animation parameters, and stores the equation of the motion function in the animation parameters;

[0045] Step 203, when the slideshow processing proces...

Embodiment 3

[0050] In order to visually operate and control the motion path of the object and better observe the motion of the object, the motion path of the object can be displayed when editing animation.

[0051] All motion functions can be piecewise functions, so as to reflect different motion states of objects in different time periods.

[0052] This embodiment demonstrates that an object moves upwards along a slope, and then throws it flat at a certain initial velocity. It performs the following steps:

[0053] Step 301, the user sets animation parameters for an object, sets the center of the object as the coordinate origin, the movement mode as "move", and sets the movement function as:

[0054] x = t y = t 0 t ≤ 5 s ...

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Abstract

A method for controlling object movement in lantern slide includes setting cartoon parameter with movement function for object, storing cartoon parameter in lantern slide processing procedure, receiving cartoon playing command by said procedure and analyzing movement function by it then generating play parameter according cartoon parameter, playing cartoon by lantern slide processing procedure according to play parameter.

Description

technical field [0001] The invention relates to a method for controlling object movement, in particular to a method for controlling object movement in a slide show according to a user-defined movement mode. Background technique [0002] In slide presentations / shows, slide animation is widely used as a basic element, so slide presentation software is required to have the function of custom animation, which allows users to arrange various animation methods and specify objects or text according to their needs. Move according to a certain path and speed. [0003] Custom animations generally include entry animations, emphasis animations, exit animations, and motion paths. The composition of animation generally includes the following aspects: [0004] 1) The movement mode A of the object, such as moving, rotating, scaling, clipping, squeezing, shadowing, etc.; [0005] 2) The projection speed B of the object, such as very fast, fast, average, slow, very slow, etc.; [0006] 3)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/00
Inventor 荣明军
Owner WUXI EVERMORE SOFTWARE
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