diff --git a/examples/text/text_draw_3d.c b/examples/text/text_draw_3d.c index 7e32d93b9..6fc0e6c5c 100644 --- a/examples/text/text_draw_3d.c +++ b/examples/text/text_draw_3d.c @@ -65,8 +65,6 @@ typedef struct WaveTextConfig { static void DrawTextCodepoint3D(Font font, int codepoint, Vector3 position, float fontSize, bool backface, Color tint); // Draw a 2D text in 3D space static void DrawText3D(Font font, const char *text, Vector3 position, float fontSize, float fontSpacing, float lineSpacing, bool backface, Color tint); -// Measure a text in 3D. For some reason `MeasureTextEx()` just doesn't seem to work so i had to use this instead. -static Vector3 MeasureText3D(Font font, const char *text, float fontSize, float fontSpacing, float lineSpacing); // Draw a 2D text in 3D space and wave the parts that start with `~~` and end with `~~`. // This is a modified version of the original code by @Nighten found here https://github.com/NightenDushi/Raylib_DrawTextStyle @@ -108,8 +106,8 @@ int main(void) // Use the default font Font font = GetFontDefault(); float fontSize = 0.8f; - float fontSpacing = 0.5f; - float lineSpacing = -1.0f; + float fontSpacing = 0.05f; + float lineSpacing = -0.1f; // Set the text (using markdown!) char text[64] = "Hello ~~World~~ in 3D!"; @@ -317,44 +315,44 @@ int main(void) rlRotatef(180.0f, 0.0f, 1.0f, 0.0f); char *opt = (char *)TextFormat("< SIZE: %2.1f >", fontSize); quads += TextLength(opt); - Vector3 m = MeasureText3D(GetFontDefault(), opt, 0.8f, 1.0f, 0.0f); + Vector2 m = MeasureTextEx(GetFontDefault(), opt, 0.8f, 0.1f); Vector3 pos = { -m.x/2.0f, 0.01f, 2.0f}; - DrawText3D(GetFontDefault(), opt, pos, 0.8f, 1.0f, 0.0f, false, BLUE); - pos.z += 0.5f + m.z * 10.0f; + DrawText3D(GetFontDefault(), opt, pos, 0.8f, 0.1f, 0.0f, false, BLUE); + pos.z += 0.5f + m.y; opt = (char *)TextFormat("< SPACING: %2.1f >", fontSpacing); quads += TextLength(opt); - m = MeasureText3D(GetFontDefault(), opt, 0.8f, 1.0f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.8f, 0.1f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.8f, 1.0f, 0.0f, false, BLUE); - pos.z += 0.5f + m.z * 10.0f; + DrawText3D(GetFontDefault(), opt, pos, 0.8f, 0.1f, 0.0f, false, BLUE); + pos.z += 0.5f + m.y; opt = (char *)TextFormat("< LINE: %2.1f >", lineSpacing); quads += TextLength(opt); - m = MeasureText3D(GetFontDefault(), opt, 0.8f, 1.0f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.8f, 0.1f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.8f, 1.0f, 0.0f, false, BLUE); - pos.z += 1.0f + m.z * 10.0f; + DrawText3D(GetFontDefault(), opt, pos, 0.8f, 0.1f, 0.0f, false, BLUE); + pos.z += 0.5f + m.y; opt = (char *)TextFormat("< LBOX: %3s >", slb? "ON" : "OFF"); quads += TextLength(opt); - m = MeasureText3D(GetFontDefault(), opt, 0.8f, 1.0f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.8f, 0.1f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.8f, 1.0f, 0.0f, false, RED); - pos.z += 0.5f + m.z * 10.0f; + DrawText3D(GetFontDefault(), opt, pos, 0.8f, 0.1f, 0.0f, false, RED); + pos.z += 0.5f + m.y; opt = (char *)TextFormat("< TBOX: %3s >", SHOW_TEXT_BOUNDRY? "ON" : "OFF"); quads += TextLength(opt); - m = MeasureText3D(GetFontDefault(), opt, 0.8f, 1.0f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.8f, 0.1f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.8f, 1.0f, 0.0f, false, RED); - pos.z += 0.5f + m.z * 10.0f; + DrawText3D(GetFontDefault(), opt, pos, 0.8f, 0.1f, 0.0f, false, RED); + pos.z += 0.5f + m.y; opt = (char *)TextFormat("< LAYER DISTANCE: %.3f >", layerDistance); quads += TextLength(opt); - m = MeasureText3D(GetFontDefault(), opt, 0.8f, 1.0f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.8f, 0.1f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.8f, 1.0f, 0.0f, false, DARKPURPLE); + DrawText3D(GetFontDefault(), opt, pos, 0.8f, 0.1f, 0.0f, false, DARKPURPLE); rlPopMatrix(); //------------------------------------------------------------------------- @@ -362,44 +360,44 @@ int main(void) //------------------------------------------------------------------------- opt = "All the text displayed here is in 3D"; quads += 36; - m = MeasureText3D(GetFontDefault(), opt, 1.0f, 0.5f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 1.0f, 0.05f); pos = (Vector3){-m.x/2.0f, 0.01f, 2.0f}; - DrawText3D(GetFontDefault(), opt, pos, 1.0f, 0.5f, 0.0f, false, DARKBLUE); - pos.z += 1.5f + m.z; + DrawText3D(GetFontDefault(), opt, pos, 1.0f, 0.05f, 0.0f, false, DARKBLUE); + pos.z += 1.5f + m.y; opt = "press [Left]/[Right] to change the font size"; quads += 44; - m = MeasureText3D(GetFontDefault(), opt, 0.6f, 0.5f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.6f, 0.05f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.5f, 0.0f, false, DARKBLUE); - pos.z += 0.5f + m.z; + DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.05f, 0.0f, false, DARKBLUE); + pos.z += 0.5f + m.y; opt = "press [Up]/[Down] to change the font spacing"; quads += 44; - m = MeasureText3D(GetFontDefault(), opt, 0.6f, 0.5f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.6f, 0.05f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.5f, 0.0f, false, DARKBLUE); - pos.z += 0.5f + m.z; + DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.05f, 0.0f, false, DARKBLUE); + pos.z += 0.5f + m.y; opt = "press [PgUp]/[PgDown] to change the line spacing"; quads += 48; - m = MeasureText3D(GetFontDefault(), opt, 0.6f, 0.5f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.6f, 0.05f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.5f, 0.0f, false, DARKBLUE); - pos.z += 0.5f + m.z; + DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.05f, 0.0f, false, DARKBLUE); + pos.z += 0.5f + m.y; opt = "press [F1] to toggle the letter boundry"; quads += 39; - m = MeasureText3D(GetFontDefault(), opt, 0.6f, 0.5f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.6f, 0.05f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.5f, 0.0f, false, DARKBLUE); - pos.z += 0.5f + m.z; + DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.05f, 0.0f, false, DARKBLUE); + pos.z += 0.5f + m.y; opt = "press [F2] to toggle the text boundry"; quads += 37; - m = MeasureText3D(GetFontDefault(), opt, 0.6f, 0.5f, 0.0f); + m = MeasureTextEx(GetFontDefault(), opt, 0.6f, 0.05f); pos.x = -m.x/2.0f; - DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.5f, 0.0f, false, DARKBLUE); + DrawText3D(GetFontDefault(), opt, pos, 0.6f, 0.05f, 0.0f, false, DARKBLUE); //------------------------------------------------------------------------- SHOW_LETTER_BOUNDRY = slb; @@ -462,8 +460,8 @@ static void DrawTextCodepoint3D(Font font, int codepoint, Vector3 position, floa // Character destination rectangle on screen // NOTE: We consider charsPadding on drawing - position.x += (float)(font.glyphs[index].offsetX - font.glyphPadding)/(float)font.baseSize*scale; - position.z += (float)(font.glyphs[index].offsetY - font.glyphPadding)/(float)font.baseSize*scale; + position.x += (float)(font.glyphs[index].offsetX - font.glyphPadding)*scale; + position.z += (float)(font.glyphs[index].offsetY - font.glyphPadding)*scale; // Character source rectangle from font texture atlas // NOTE: We consider chars padding when drawing, it could be required for outline/glow shader effects @@ -544,7 +542,7 @@ static void DrawText3D(Font font, const char *text, Vector3 position, float font { // NOTE: Fixed line spacing of 1.5 line-height // TODO: Support custom line spacing defined by user - textOffsetY += scale + lineSpacing*scale; + textOffsetY += fontSize + lineSpacing; textOffsetX = 0.0f; } else @@ -554,69 +552,14 @@ static void DrawText3D(Font font, const char *text, Vector3 position, float font DrawTextCodepoint3D(font, codepoint, (Vector3){ position.x + textOffsetX, position.y, position.z + textOffsetY }, fontSize, backface, tint); } - if (font.glyphs[index].advanceX == 0) textOffsetX += (float)(font.recs[index].width + fontSpacing)*scale; - else textOffsetX += (float)(font.glyphs[index].advanceX + fontSpacing)*scale; + if (font.glyphs[index].advanceX == 0) textOffsetX += (float)font.recs[index].width*scale + fontSpacing; + else textOffsetX += (float)font.glyphs[index].advanceX*scale + fontSpacing; } i += codepointByteCount; // Move text bytes counter to next codepoint } } -// Measure a text in 3D. For some reason `MeasureTextEx()` just doesn't seem to work so i had to use this instead. -static Vector3 MeasureText3D(Font font, const char* text, float fontSize, float fontSpacing, float lineSpacing) -{ - int len = TextLength(text); - int tempLen = 0; // Used to count longer text line num chars - int lenCounter = 0; - - float tempTextWidth = 0.0f; // Used to count longer text line width - - float scale = fontSize/(float)font.baseSize; - float textHeight = scale; - float textWidth = 0.0f; - - int letter = 0; // Current character - int index = 0; // Index position in sprite font - - for (int i = 0; i < len; i++) - { - lenCounter++; - - int next = 0; - letter = GetCodepoint(&text[i], &next); - index = GetGlyphIndex(font, letter); - - // NOTE: normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f) - // but we need to draw all of the bad bytes using the '?' symbol so to not skip any we set next = 1 - if (letter == 0x3f) next = 1; - i += next - 1; - - if (letter != '\n') - { - if (font.glyphs[index].advanceX != 0) textWidth += (font.glyphs[index].advanceX+fontSpacing)*scale; - else textWidth += (font.recs[index].width + font.glyphs[index].offsetX)*scale; - } - else - { - if (tempTextWidth < textWidth) tempTextWidth = textWidth; - lenCounter = 0; - textWidth = 0.0f; - textHeight += scale + lineSpacing*scale; - } - - if (tempLen < lenCounter) tempLen = lenCounter; - } - - if (tempTextWidth < textWidth) tempTextWidth = textWidth; - - Vector3 vec = { 0 }; - vec.x = tempTextWidth + (float)((tempLen - 1)*fontSpacing*scale); // Adds chars spacing to measure - vec.y = 0.25f; - vec.z = textHeight; - - return vec; -} - // Draw a 2D text in 3D space and wave the parts that start with `~~` and end with `~~`. // This is a modified version of the original code by @Nighten found here https://github.com/NightenDushi/Raylib_DrawTextStyle static void DrawTextWave3D(Font font, const char *text, Vector3 position, float fontSize, float fontSpacing, float lineSpacing, bool backface, WaveTextConfig* config, float time, Color tint) @@ -645,7 +588,7 @@ static void DrawTextWave3D(Font font, const char *text, Vector3 position, float { // NOTE: Fixed line spacing of 1.5 line-height // TODO: Support custom line spacing defined by user - textOffsetY += scale + lineSpacing*scale; + textOffsetY += fontSize + lineSpacing; textOffsetX = 0.0f; k = 0; } @@ -672,8 +615,8 @@ static void DrawTextWave3D(Font font, const char *text, Vector3 position, float DrawTextCodepoint3D(font, codepoint, (Vector3){ pos.x + textOffsetX, pos.y, pos.z + textOffsetY }, fontSize, backface, tint); } - if (font.glyphs[index].advanceX == 0) textOffsetX += (float)(font.recs[index].width + fontSpacing)*scale; - else textOffsetX += (float)(font.glyphs[index].advanceX + fontSpacing)*scale; + if (font.glyphs[index].advanceX == 0) textOffsetX += (float)font.recs[index].width*scale + fontSpacing; + else textOffsetX += (float)font.glyphs[index].advanceX*scale + fontSpacing; } i += codepointByteCount; // Move text bytes counter to next codepoint @@ -698,8 +641,6 @@ static Vector3 MeasureTextWave3D(Font font, const char* text, float fontSize, fl for (int i = 0; i < len; i++) { - lenCounter++; - int next = 0; letter = GetCodepoint(&text[i], &next); index = GetGlyphIndex(font, letter); @@ -717,7 +658,8 @@ static Vector3 MeasureTextWave3D(Font font, const char* text, float fontSize, fl } else { - if (font.glyphs[index].advanceX != 0) textWidth += (font.glyphs[index].advanceX+fontSpacing)*scale; + lenCounter++; + if (font.glyphs[index].advanceX != 0) textWidth += font.glyphs[index].advanceX*scale; else textWidth += (font.recs[index].width + font.glyphs[index].offsetX)*scale; } } @@ -726,7 +668,7 @@ static Vector3 MeasureTextWave3D(Font font, const char* text, float fontSize, fl if (tempTextWidth < textWidth) tempTextWidth = textWidth; lenCounter = 0; textWidth = 0.0f; - textHeight += scale + lineSpacing*scale; + textHeight += fontSize + lineSpacing; } if (tempLen < lenCounter) tempLen = lenCounter; @@ -735,7 +677,7 @@ static Vector3 MeasureTextWave3D(Font font, const char* text, float fontSize, fl if (tempTextWidth < textWidth) tempTextWidth = textWidth; Vector3 vec = { 0 }; - vec.x = tempTextWidth + (float)((tempLen - 1)*fontSpacing*scale); // Adds chars spacing to measure + vec.x = tempTextWidth + (float)((tempLen - 1)*fontSpacing); // Adds chars spacing to measure vec.y = 0.25f; vec.z = textHeight; @@ -749,4 +691,4 @@ static Color GenerateRandomColor(float s, float v) float h = (float)GetRandomValue(0, 360); h = fmodf((h + h*Phi), 360.0f); return ColorFromHSV(h, s, v); -} +} \ No newline at end of file