feat - Camera VFOV

1 files changed, 21 insertions, 16 deletions

diff --git a/main.go b/main.go
index 7042d21..957fc92 100644
--- a/main.go
+++ b/main.go
@@ -2,6 +2,7 @@
 package main
 
 import (
+	"math"
 	"math/rand"
 
 	"github.com/schollz/progressbar"
@@ -26,24 +27,28 @@ const (
 
 func main() {
 	// Scene
-	lowerLeftCorner := Vec3D{-2.0, -1.0, -1.0}
-	origin := Vec3D{0.0, 0.0, 0.0}
-	horizontal := Vec3D{4.0, 0.0, 0.0}
-	vertical := Vec3D{0.0, 2.0, 0.0}
-	camera := Camera{lowerLeftCorner, origin, horizontal, vertical}
+	camera := NewCamera(90.0, float64(Width)/float64(Height))
 
-	matRed := Lambertian{Color{0.7, 0.3, 0.3}}
-	matGreen := Lambertian{Color{0.8, 0.8, 0.0}}
-	metalGrey := Metal{Color{0.8, 0.8, 0.8}, 0.3}
+	r := math.Cos(math.Pi / 4)
+	blue := Lambertian{Color{0.0, 0.0, 1.0}}
+	red := Lambertian{Color{1.0, 0.0, 0.0}}
+	World := HitableList{
+		Sphere{Vec3D{-r, 0.0, -1.0}, r, blue},
+		Sphere{Vec3D{r, 0.0, -1.0}, r, red},
+	}
+
+	// matRed := Lambertian{Color{0.7, 0.3, 0.3}}
+	// matGreen := Lambertian{Color{0.8, 0.8, 0.0}}
+	// metalGrey := Metal{Color{0.8, 0.8, 0.8}, 0.3}
 	// metalBrown := Metal{Color{0.8, 0.6, 0.2}, 1.0}
-	glass := Dielectric{1.5}
+	// glass := Dielectric{1.5}
 
-	WORLD := HitableList{
-		Sphere{Vec3D{0.0, 0.0, -1.0}, 0.5, glass},
-		Sphere{Vec3D{-1.0, 0.0, -1.0}, 0.5, metalGrey},
-		Sphere{Vec3D{1.0, 0.0, -1.0}, 0.5, matRed},
-		Sphere{Vec3D{0.0, -100.5, -1.0}, 100.0, matGreen},
-	}
+	// World := HitableList{
+	// 	Sphere{Vec3D{0.0, 0.0, -1.0}, 0.5, glass},
+	// 	Sphere{Vec3D{-1.0, 0.0, -1.0}, 0.5, metalGrey},
+	// 	Sphere{Vec3D{1.0, 0.0, -1.0}, 0.5, matRed},
+	// 	Sphere{Vec3D{0.0, -100.5, -1.0}, 100.0, matGreen},
+	// }
 
 	// Program
 	// start := AddVec3D(Origin, Vec3D{-1.0, 0.0, 0.0})
@@ -61,7 +66,7 @@ func main() {
 				u := (float64(y) + rand.Float64()) / float64(Width)
 				v := (float64(x) + rand.Float64()) / float64(Height)
 				ray := camera.GetRay(u, v)
-				colorList[it] = RayColor(ray, WORLD, 0)
+				colorList[it] = RayColor(ray, World, 0)
 			}
 			color := ColorMeanSquare(colorList)
 			frame[Height-1-x][y] = color.ToPixel()