version with skybox manipulations

assets/scripts/zenity-help.bash

@@ -44,5 +44,7 @@ Key press actions:
   P - pause the game
   X - reload random stage
   Q - display your score and the number of remaining tokens
+  S - toggle SKYBOX ON/OFF
+  N - new SKYBOX
 EOF
 

game.go

@@ -12,8 +12,8 @@ import (
 	"math"
 	"strconv"
 	// "time"
-	// "math/rand"
 	_ "image/png"
+	"math/rand"
 )
 
 const BoxMargin = 30 // margin for bounding box of the stage
@@ -27,6 +27,8 @@ var NumberOfTokens = 10
 const VerticalSectors = 6   // vertical dimmension of sectors array
 const HorizontalSectors = 6 // horizontal  dimmension of sectors array
 
+const skyboxChance = 0.5 // the chance of having withSkybox==true on the new stage
+
 // data structure for the game
 type Mki3dGame struct {
 	// assets info
@@ -69,7 +71,8 @@ type Mki3dGame struct {
 
 	JustCollected bool // token has been just collected! Do some clebrations in Redraw ...
 
-	Skybox sbxgpu.SbxGpu // skybox
+	Skybox     sbxgpu.SbxGpu // skybox
+	withSkybox bool          // draw the skybox?
 }
 
 // Make game structure with the shader and without any data.
@@ -148,6 +151,7 @@ func (game *Mki3dGame) Init() (err error) {
 	}
 
 	game.Skybox.RenderRandomCube() // make random cube
+	game.withSkybox = (rand.Float64() < skyboxChance)
 	fmt.Println("NEW STAGE! Collect ", game.TokensRemaining, " tokens.")
 	// ZenityInfo("NEW STAGE! Collect "+strconv.Itoa( game.TokensRemaining)+ " tokens.", "2")
 	// init time probe
@@ -468,7 +472,9 @@ func (game *Mki3dGame) Redraw() {
 		game.DrawTokens()
 		// draw monsters
 		game.DrawMonsters()
-		game.Skybox.DrawSkybox(game.StageDSPtr.UniPtr.ViewUni, game.StageDSPtr.UniPtr.ProjectionUni) // draw the skybox
+		if game.withSkybox {
+			game.Skybox.DrawSkybox(game.StageDSPtr.UniPtr.ViewUni, game.StageDSPtr.UniPtr.ProjectionUni) // draw the skybox
+		}
 
 	}
 	if game.CurrentAction == nil {

help.go

@@ -20,6 +20,9 @@ Key press actions:
   L - set the diffuse light direction perpendicular to the screen
   P - pause the game
   X - reload random stage
+  S - toggle SKYBOX ON/OFF
+  N - new SKYBOX
+
 
 Or press the mouse on the screen sectors:
 

key-callback.go

@@ -103,6 +103,19 @@ func (g *Mki3dGame) KeyCallback(w *glfw.Window, key glfw.Key, scancode int, acti
 					"\nREMAINING TOKENS ON THIS STAGE: "+strconv.Itoa(g.TokensRemaining),
 				"4")
 
+		case key == glfw.KeyS && mods == 0: /* Togle skybox */
+			g.withSkybox = !g.withSkybox
+			ZenityInfo(
+				"WITH SKYBOX: "+strconv.FormatBool(g.withSkybox),
+				"1")
+
+		case key == glfw.KeyN && mods == 0: /* Togle skybox */
+			ZenityInfo(
+				"NEW SKYBOX !",
+				"1")
+			g.Skybox.RenderRandomCube()
+			g.withSkybox = true
+
 		}
 	}
 }