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Mirror image texture generating method, device and computer

A texture and mirroring technology, applied in the field of image processing, can solve the problem of increasing the time required for specular texture, and achieve the effect of reducing the rendering load and reducing the required time.

Inactive Publication Date: 2012-12-19
MEDIATEK INC
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical applications, some 3D objects that do not appear on the mirror plane are also rendered on the mirror texture, causing rendering load and increasing the time required to render the mirror texture

Method used

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  • Mirror image texture generating method, device and computer
  • Mirror image texture generating method, device and computer
  • Mirror image texture generating method, device and computer

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Embodiment Construction

[0024] The following description will be made in conjunction with the accompanying drawings and specific implementation manners.

[0025] refer to figure 1 , figure 1 It is a flowchart of an embodiment of the mirror texture generation method of the present invention. The mirror texture generation method in this embodiment includes:

[0026] Step S101: Obtain the visible area of ​​the mirror plane.

[0027] Wherein, the mirror plane refers to a three-dimensional object such as a lake surface that can reflect objects on the shore or a mirror that reflects objects. Since the shape of the mirror plane is not necessarily a regular shape, in order to conveniently realize the projection of the three-dimensional mirror plane to the two-dimensional viewing window, a regular-shaped bounding box (Boundingbox) can be set to wrap the mirror plane, and then the bounding box is projected to a two-dimensional viewing window to form a mirror plane viewing area.

[0028] It is worth noting...

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Abstract

The invention discloses a mirror image texture generating method, a device and a computer. The method comprises the following steps of: obtaining a mirror plane visual region, wherein the mirror plane visual region is formed by projecting a three-dimensional bounding box which bounds a mirror plane to a two-dimensional visual window; carrying out mirror image viewpoint inverse transformation on the mirror plane visual region so as to obtain a three-dimensional cutting vision cone; symmetrically rendering a three-dimensional object inside the cutting vision cone or intersected with the cutting vision cone to mirror texture so as to generate mirror image texture, and excluding other three-dimensional objects except three-dimensional objects inside the cutting vision cone and intersected with the cutting vision cone from the process that the three-dimensional objects are rendered to the mirror texture. Through the mode, only the three-dimensional objects inside the cutting vision cone or intersected with the cutting vision cone are rendered to the mirror texture, thereby eliminating three-dimensional objects which cannot be projected to the mirror plane, reducing a rendering load, and furthermore, reducing time for rendering the mirror texture.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a mirror texture generation method, device and computer. Background technique [0002] Recently, 3D (Three Dimensions) technology has been adopted in more and more movies and games in order to improve visual effects. Among them, in order to make the visual effect more realistic, it is often necessary to display reflected shore objects in some lake images, or to generate a mirror effect that the mirror placed on the table reflects the objects on the table. [0003] The prior art provides a method for generating a mirror effect, in which all three-dimensional objects in a scene are symmetrically rendered onto a mirror texture, and then the mirror texture is pasted onto a mirror plane. However, in practical applications, some 3D objects that do not appear on the mirror plane are also rendered on the mirror texture, causing rendering load and increasing the time required for renderin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T15/04
CPCG06T15/04G06T11/001G06T15/40
Inventor 何虎高璐
Owner MEDIATEK INC
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