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example/blocks: Add comments

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This commit is contained in:
Hajime Hoshi 2018-01-22 20:57:54 +09:00
parent 4e432ca816
commit 507fc7cbbb
2 changed files with 8 additions and 1 deletions
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5
examples/blocks/blocks/gamepad.go
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@ -124,6 +124,8 @@ func (c *gamepadConfig) Scan(gamepadID int, b virtualGamepadButton) bool {
return false
}
// IsButtonPressed returns a boolean value indicating whether
// the given virtual button b is pressed.
func (c *gamepadConfig) IsButtonPressed(b virtualGamepadButton) bool {
c.initializeIfNeeded()
@ -131,6 +133,7 @@ func (c *gamepadConfig) IsButtonPressed(b virtualGamepadButton) bool {
if ok {
return ebiten.IsGamepadButtonPressed(0, bb)
}
a, ok := c.axes[b]
if ok {
v := ebiten.GamepadAxis(0, a.id)
@ -143,7 +146,7 @@ func (c *gamepadConfig) IsButtonPressed(b virtualGamepadButton) bool {
return false
}
// Name returns the button's name.
// Name returns the pysical button's name for the given virtual button.
func (c *gamepadConfig) ButtonName(b virtualGamepadButton) string {
c.initializeIfNeeded()

4
examples/blocks/blocks/input.go
View File

@ -20,6 +20,7 @@ import (
"github.com/hajimehoshi/ebiten"
)
// Input manages the input state including gamepads and keyboards.
type Input struct {
keyStates map[ebiten.Key]int
anyGamepadButtonPressed bool
@ -27,6 +28,7 @@ type Input struct {
gamepadConfig gamepadConfig
}
// StateForKey returns time length indicating how long the key is pressed.
func (i *Input) StateForKey(key ebiten.Key) int {
if i.keyStates == nil {
return 0
@ -34,6 +36,8 @@ func (i *Input) StateForKey(key ebiten.Key) int {
return i.keyStates[key]
}
// IsAnyGamepadButtonPressed returns a boolean value indicating
// whether any gamepad button is pressed.
func (i *Input) IsAnyGamepadButtonPressed() bool {
return i.anyGamepadButtonPressed
}