devZoGok/vb01
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beginning of text sample

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text can be rendered from right to left
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devZoGok
2021-10-19 19:06:41 +03:00
parent 3366edf5e7
commit 85fa337163
20 changed files with 127 additions and 5 deletions
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text.cpp
+3 -3
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@@ -8,6 +8,7 @@
#include "glad.h"
#include <glfw3.h>
#include <iostream>
#include <algorithm>
#include <ft2build.h>
#include FT_FREETYPE_H
@@ -64,7 +65,7 @@ namespace vb01{
shader->setVec3(node->getPosition(), "pos");
Vector2 advanceOffset = Vector2::VEC_ZERO;
for(int i = 0; i < entry.length(); i++){
for(int i = (leftToRight ? 0 : entry.length() - 1); (leftToRight ? (i < entry.length()) : (i >= 0)); (leftToRight ? i++ : i--)){
Glyph *glyphPtr = getGlyph(entry[i]);
if(!glyphPtr)
continue;
@@ -81,8 +82,7 @@ namespace vb01{
void Text::prepareGlyphs(Glyph glyph, Vector2 advanceOffset){
Vector3 nodePos = node->getPosition();
Vector2 origin = Vector2(nodePos.x, nodePos.y);
origin = origin + (advanceOffset * scale);
Vector2 origin = Vector2(nodePos.x, nodePos.y) + (advanceOffset * scale);
Vector2 size = glyph.size * scale, bearing = glyph.bearing * scale;
float data[] = {