func newWorld(width, height int) *world {
// 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)
}
w := &world{
width: width,
height: height,
projMatrix: mathgl.Ortho2D(0, float32(width), -float32(height/2), float32(height/2)),
viewMatrix: mathgl.Ident4f(),
}
sans, err := gltext.LoadTruetype(bytes.NewBuffer(fontBuffer), w, 40, 32, 127, gltext.LeftToRight)
if err != nil {
panic(err)
}
w.font = sans
return w
}
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
}