add more models examples

examples/models/waving_cubes/main.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"math"
+
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+func main() {
+	screenWidth := int32(1280)
+	screenHeight := int32(720)
+
+	rl.InitWindow(screenWidth, screenHeight, "raylib [models] example - waving cubes")
+
+	camera := rl.Camera{}
+	camera.Position = rl.NewVector3(30.0, 20.0, 30.0)
+	camera.Target = rl.NewVector3(0.0, 0.0, 0.0)
+	camera.Up = rl.NewVector3(0.0, 1.0, 0.0)
+	camera.Fovy = 70.0
+	camera.Projection = rl.CameraPerspective
+
+	numBloks := 15
+
+	rl.SetTargetFPS(60)
+
+	for !rl.WindowShouldClose() {
+
+		time := rl.GetTime()
+
+		scale := (2 + float32(math.Sin(time))) * 0.7
+
+		camTime := time * 0.3
+
+		camera.Position.X = float32(math.Cos(camTime)) * 40
+		camera.Position.Z = float32(math.Sin(camTime)) * 40
+
+		rl.BeginDrawing()
+
+		rl.ClearBackground(rl.RayWhite)
+
+		rl.BeginMode3D(camera)
+
+		rl.DrawGrid(10, 5)
+
+		for x := 0; x < numBloks; x++ {
+
+			for y := 0; y < numBloks; y++ {
+
+				for z := 0; z < numBloks; z++ {
+
+					blockScale := float32((x + y + z)) / 30
+
+					scatter := math.Sin(float64(blockScale*20) + (time * 4))
+
+					cubePos := rl.NewVector3(float32((x-numBloks/2))*(scale*3)+float32(scatter), float32((y-numBloks/2))*(scale*2)+float32(scatter), float32((z-numBloks/2))*(scale*3)+float32(scatter))
+
+					cubeColor := rl.ColorFromHSV(float32(((x+y+z)*18)%360), 0.75, 0.9)
+
+					cubeSize := (2.4 - scale) * blockScale
+
+					rl.DrawCube(cubePos, cubeSize, cubeSize, cubeSize, cubeColor)
+
+				}
+			}
+		}
+
+		rl.EndMode3D()
+
+		rl.DrawFPS(10, 10)
+
+		rl.EndDrawing()
+	}
+
+	rl.CloseWindow()
+}