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Clean some stuff

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This commit is contained in:
bloeys
2022-07-01 07:42:15 +04:00
parent 99451e855b
commit aa9aa8347c
1 changed files with 18 additions and 12 deletions
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30
main.go
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@ -6,6 +6,7 @@ import (
"image/draw"
"image/png"
"math"
"math/rand"
"os"
"sync"
"time"
@ -280,25 +281,26 @@ func (p *program) Render() {
w, h := p.win.SDLWin.GetSize()
startFromTop := float32(h) - float32(atlas.LineHeight)
glyphRend.drawTextOpenGL(atlas, fmt.Sprintf("Point size=%d", fontPointSize), gglm.NewVec3(0, startFromTop, 0), w, h)
startFromTop -= float32(atlas.LineHeight)
glyphRend.drawTextOpenGL(atlas, fmt.Sprintf("Texture size=%d*%d", atlasTex.Width, atlasTex.Height), gglm.NewVec3(0, startFromTop, 0), w, h)
// fps := timing.GetAvgFPS()
//Draw FPS
var fps float32
if frameTime.Milliseconds() > 0 {
fps = 1 / float32(frameTime.Milliseconds()) * 1000
}
startFromTop -= float32(atlas.LineHeight)
glyphRend.drawTextOpenGL(atlas, fmt.Sprintf("FPS=%f", fps), gglm.NewVec3(float32(w)*0.8, float32(h)-float32(atlas.LineHeight), 0), w, h)
startFromTop := float32(h) - float32(atlas.LineHeight)
glyphRend.drawTextOpenGL(atlas, fmt.Sprintf("FPS=%f", fps), gglm.NewVec3(float32(w)*0.7, startFromTop, 0), w, h)
//From bottom
//Draw point and texture sizes
startFromTop -= float32(atlas.LineHeight)
glyphRend.drawTextOpenGL(atlas, fmt.Sprintf("Point size=%d", fontPointSize), gglm.NewVec3(float32(w)*0.7, startFromTop, 0), w, h)
startFromTop -= float32(atlas.LineHeight)
glyphRend.drawTextOpenGL(atlas, fmt.Sprintf("Texture size=%d*%d", atlasTex.Width, atlasTex.Height), gglm.NewVec3(float32(w)*0.7, startFromTop, 0), w, h)
//Draw all other
count := 1000
startFromBot := float32(atlas.LineHeight)
for i := 0; i < count; i++ {
glyphRend.drawTextOpenGL(atlas, "Hello friend.\nHow are you?", gglm.NewVec3(0, startFromBot, 0), w, h)
glyphRend.drawTextOpenGL(atlas, "Hello friend, how are you?\n", gglm.NewVec3(0, startFromBot, 0), w, h)
startFromBot += float32(atlas.LineHeight) * 2
}
@ -453,6 +455,10 @@ func (gr *GlyphRend) drawTextOpenGL(atlas *FontTexAtlas, text string, startPos *
rs := []rune(text)
const floatsPerGlyph = 18
rCol := rand.Float32()
gCol := rand.Float32()
bCol := rand.Float32()
pos := startPos.Clone()
instancedData := make([]float32, 0, len(rs)*floatsPerGlyph) //This a larger approximation than needed because we don't count spaces etc
for i := 0; i < len(rs); i++ {
@ -485,7 +491,7 @@ func (gr *GlyphRend) drawTextOpenGL(atlas *FontTexAtlas, text string, startPos *
g.U, g.V + g.SizeV,
g.U + g.SizeU, g.V + g.SizeV,
1, 1, 1, 1, //Color
rCol, gCol, bCol, 1, //Color
drawPos.X(), drawPos.Y(), drawPos.Z(), //Model pos
scale.X(), scale.Y(), scale.Z(), //Model scale
}...)