src/buffer/mappedquad-buffer.js
/**
* @file Mapped Quad Buffer
* @author Alexander Rose <alexander.rose@weirdbyte.de>
* @private
*/
import MappedBuffer from './mapped-buffer.js'
const mapping = new Float32Array([
-1.0, 1.0,
-1.0, -1.0,
1.0, 1.0,
1.0, -1.0
])
const mappingIndices = new Uint16Array([
0, 1, 2,
1, 3, 2
])
/**
* Mapped Quad buffer. Draws screen-aligned quads. Used to render impostors.
* @interface
*/
class MappedQuadBuffer extends MappedBuffer {
get mapping () { return mapping }
get mappingIndices () { return mappingIndices }
get mappingIndicesSize () { return 6 }
get mappingType () { return 'v2' }
get mappingSize () { return 4 }
get mappingItemSize () { return 2 }
}
export default MappedQuadBuffer