func newBox(width, height float32) *box {
var err error
box := new(box)
// Sound player
box.player, err = mandala.NewAudioPlayer()
if err != nil {
mandala.Fatalf("%s\n", err.Error())
}
// Chipmunk body
box.physicsShape = chipmunk.NewBox(
vect.Vect{0, 0},
vect.Float(width),
vect.Float(height),
)
box.physicsShape.SetElasticity(BoxElasticity)
box.physicsBody = chipmunk.NewBody(vect.Float(BoxMass), box.physicsShape.Moment(float32(BoxMass)))
box.physicsBody.AddShape(box.physicsShape)
box.physicsBody.CallbackHandler = callbacks{}
// OpenGL shape
box.openglShape = shapes.NewBox(width, height)
return box
}
func (t *TestSuite) TestAudio() {
// Open an audio file from resources
responseCh := make(chan mandala.LoadResourceResponse)
mandala.ReadResource("raw/android.raw", responseCh)
response := <-responseCh
buffer := response.Buffer
t.True(response.Error == nil, "An error occured during resource opening")
// Create the audio player
player, err := mandala.NewAudioPlayer()
t.True(err == nil)
// Hum...this seems to fail for now
max, err := player.GetMaxVolumeLevel()
t.True(err == nil, "Error in getting the max volume level")
t.True(max > 0, fmt.Sprintf("Max volume level is %d", max))
if player != nil {
player.Play(buffer, nil)
}
}
func newWorld(width, height int) *world {
world := &world{
width: width,
height: height,
projMatrix: mathgl.Ortho2D(0, float32(width), 0, float32(height)),
viewMatrix: mathgl.Ident4f(),
space: chipmunk.NewSpace(),
}
world.space.Gravity = vect.Vect{0, Gravity}
// Initialize the audio player
var err error
world.explosionPlayer, err = mandala.NewAudioPlayer()
if err != nil {
mandala.Fatalf("%s\n", err.Error())
}
// Read the PCM audio samples
responseCh := make(chan mandala.LoadResourceResponse)
mandala.ReadResource("raw/explosion.pcm", responseCh)
response := <-responseCh
if response.Error != nil {
mandala.Fatalf(response.Error.Error())
}
world.explosionBuffer = response.Buffer
responseCh = make(chan mandala.LoadResourceResponse)
mandala.ReadResource("raw/impact.pcm", responseCh)
response = <-responseCh
if response.Error != nil {
mandala.Fatalf(response.Error.Error())
}
world.impactBuffer = response.Buffer
return world
}
func NewWorld(width, height int) *World {
world := &World{
width: width,
height: height,
projMatrix: mathgl.Ortho2D(0, float32(width), 0, float32(height)),
viewMatrix: mathgl.Ident4f(),
space: chipmunk.NewSpace(),
}
world.space.Gravity = vect.Vect{0, Gravity}
// Initialize the audio players
var err error
world.explosionPlayer, err = mandala.NewAudioPlayer()
if err != nil {
mandala.Fatalf("%s\n", err.Error())
}
world.impactPlayer, err = mandala.NewAudioPlayer()
if err != nil {
mandala.Fatalf("%s\n", err.Error())
}
// Read the PCM audio samples
responseCh := make(chan mandala.LoadResourceResponse)
mandala.ReadResource("raw/explosion.pcm", responseCh)
response := <-responseCh
if response.Error != nil {
mandala.Fatalf(response.Error.Error())
}
world.explosionBuffer = response.Buffer
responseCh = make(chan mandala.LoadResourceResponse)
mandala.ReadResource("raw/impact.pcm", responseCh)
response = <-responseCh
if response.Error != nil {
mandala.Fatalf(response.Error.Error())
}
world.impactBuffer = response.Buffer
// Compile the shaders
world.boxProgramShader = shaders.NewProgram(shapes.DefaultBoxFS, shapes.DefaultBoxVS)
world.segmentProgramShader = shaders.NewProgram(shapes.DefaultSegmentFS, shapes.DefaultSegmentVS)
// Load the font
responseCh = make(chan mandala.LoadResourceResponse)
mandala.ReadResource("raw/freesans.ttf", responseCh)
response = <-responseCh
fontBuffer := response.Buffer
err = response.Error
if err != nil {
panic(err)
}
world.font, err = gltext.LoadTruetype(bytes.NewBuffer(fontBuffer), world, 12, 32, 127, gltext.LeftToRight)
if err != nil {
panic(err)
}
return world
}