Day8: Assimp+Basic Lights+Asserts+vert normals&colors

res/models/loader.go

@@ -1,73 +0,0 @@
-package models
-
-import (
-	"os"
-	"strconv"
-	"strings"
-
-	"github.com/bloeys/go-sdl-engine/logging"
-)
-
-type ObjInfo struct {
-	VertPos    []float32
-	TriIndices []uint32
-}
-
-func LoadObj(file string) (objInfo ObjInfo, err error) {
-
-	b, err := os.ReadFile(file)
-	if err != nil {
-		return objInfo, err
-	}
-
-	lines := strings.Split(string(b), "\n")
-	for i := 0; i < len(lines); i++ {
-
-		s := strings.SplitN(lines[i], " ", 2)
-		switch s[0] {
-		case "v":
-
-			vertPosStrings := strings.Split(s[1], " ")
-
-			f, err := strconv.ParseFloat(vertPosStrings[0], 32)
-			if err != nil {
-				return objInfo, err
-			}
-			objInfo.VertPos = append(objInfo.VertPos, float32(f))
-
-			f, err = strconv.ParseFloat(vertPosStrings[1], 32)
-			if err != nil {
-				return objInfo, err
-			}
-			objInfo.VertPos = append(objInfo.VertPos, float32(f))
-
-			f, err = strconv.ParseFloat(vertPosStrings[2], 32)
-			if err != nil {
-				return objInfo, err
-			}
-			objInfo.VertPos = append(objInfo.VertPos, float32(f))
-
-		case "f":
-
-			facesStrings := strings.Split(s[1], " ")
-			objInfo.TriIndices = append(objInfo.TriIndices, getVertIndexFromFace(facesStrings[0]))
-			objInfo.TriIndices = append(objInfo.TriIndices, getVertIndexFromFace(facesStrings[1]))
-			objInfo.TriIndices = append(objInfo.TriIndices, getVertIndexFromFace(facesStrings[2]))
-
-		default:
-		}
-	}
-
-	return objInfo, nil
-}
-
-func getVertIndexFromFace(f string) uint32 {
-
-	indxStr := strings.SplitN(f, "/", 2)[0]
-	index, err := strconv.Atoi(indxStr)
-	if err != nil {
-		logging.ErrLog.Printf("Invalid face index '%v'. Err: %v", indxStr, err)
-		return 0
-	}
-	return uint32(index) - 1
-}