Method Draw

gui.go:255–336

()

}

func (iconButton *IconButton) Draw() {

	if iconButton.Rect.W == 0 && iconButton.Rect.H == 0 {
		return
	}

	orig := *iconButton.Rect
	rect := &orig
	guiTex := iconButton.Image.Texture

	if iconButton.WorldSpace {
		rect = globals.Project.Camera.TranslateRect(rect)
	}

	currentSize, _ := iconButton.tween.Update(1.0 / float32(targetFPS))
	rect.W *= currentSize
	rect.H *= currentSize
	rect.X += (1 - currentSize) * rect.W / 3
	rect.Y += (1 - currentSize) * rect.H / 3

	mp := globals.Mouse.Position()
	if iconButton.WorldSpace {
		mp = globals.Mouse.WorldPosition()
	}

	hovering := mp.Inside(iconButton.Rect)

	targetSub := float32(0.3)
	if hovering || !iconButton.FadeOnInactive || iconButton.AlwaysHighlight {
		targetSub = 0
	}

	iconButton.HighlightingTargetColor += (targetSub - iconButton.HighlightingTargetColor) * 0.1

	drawSrc := func(src *sdl.FRect, x, y float32, color Color, rotation float64, flip sdl.FlipMode) {

		guiTex.SetColorMod(color.RGB())
		guiTex.SetAlphaMod(color[3] - uint8(iconButton.HighlightingTargetColor*255))

		r := *rect
		r.X += x
		r.Y += y
		globals.Renderer.RenderTextureRotated(guiTex, src, &r, rotation, nil, flip)

	}

	if iconButton.BGIconSrc != nil {
		drawSrc(iconButton.BGIconSrc, 0, 0, iconButton.BGIconTint, iconButton.Rotation, 0)
	}

	tint := iconButton.Tint
	if tint == nil {
		tint = getThemeColor(GUIFontColor)
	}

	drawSrc(iconButton.IconSrc, 0, 0, tint, iconButton.Rotation, iconButton.Flip)

	r := *iconButton.Rect