mirror of
https://github.com/stevenhowes/GoRetro.git
synced 2026-05-26 15:53:31 +01:00
stevenhowes
62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package GoRetro
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/*
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* --------------------
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* spriteSheetRenderer
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* --------------------
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*/
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import (
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"github.com/veandco/go-sdl2/sdl"
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)
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type spriteSheetRenderer struct {
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container *Element
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tex *sdl.Texture
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size VectorInt32
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sheetposition VectorInt32
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}
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func NewSpriteSheetRenderer(container *Element, renderer *sdl.Renderer, filename string, x int32, y int32, width int32, height int32) *spriteSheetRenderer {
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sr := &spriteSheetRenderer{}
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var err error
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filename = Config.DataDir + filename
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sr.tex, err = loadTextureFromBMP(filename, renderer)
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if err != nil {
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panic(err)
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}
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sr.size.X = width
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sr.size.Y = height
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sr.sheetposition.X = x
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sr.sheetposition.Y = y
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sr.container = container
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return sr
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}
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func (sr *spriteSheetRenderer) onUpdate() error {
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return nil
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}
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func (sr *spriteSheetRenderer) onDraw() error {
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Position := ViewPort.Position
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if !sr.container.PositionAbsolute {
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Position = vectorAdd(sr.container.Position, ViewPort.Position)
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}
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return drawTexture(
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sr.tex,
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sr.size,
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sr.sheetposition,
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Position,
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sr.container.Rotation,
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sr.container.Renderer)
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}
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func (sr *spriteSheetRenderer) onCollision(other *Element) error {
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return nil
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}
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