Constructor
new MeshAttribute(name, data, size, type, normalized, usage)
- Source:
Parameters:
| Name |
Type |
Description |
name |
String
|
attribute name |
data |
ArrayBufferView
|
typed array of data for the attribute |
size |
Number
|
size of data in array. 2 for vec2, 3 for vec3, etc... |
type |
String
|
datatype matching the typed array datatype. 'FLOAT', 'UNSIGNED_BYTE', etc |
normalized |
Boolean
|
wether the data is normalised to 0-1 range for glsl. |
usage |
String
|
usage hint for gl. 'STATIC_DRAW' or 'DYNAMIC_DRAW'. |
Methods
bind(gl, program)
- Source:
sets up vertex attribute pointer and binds the buffer.
this is used before drawing.
Parameters:
| Name |
Type |
Description |
gl |
WebGLRenderingContext
|
gl context. |
program |
ShaderProgram
|
shaderProgram instance. |
init(gl)
- Source:
initializes buffer. Internal method. Should not be called manually!
Parameters:
| Name |
Type |
Description |
gl |
WebGLRenderingContext
|
gl context. |
setData(newData)
- Source:
Sets new data buffer. and sets this.needsUpdate true.
Parameters:
| Name |
Type |
Description |
newData |
ArrayBufferView
|
|
update(gl)
- Source:
updates buffer data. Internal method. Should not be called manually!
Parameters:
| Name |
Type |
Description |
gl |
WebGLRenderingContext
|
gl context. |