examples review

examples/text/resources/emoji.fnt

@@ -1,6 +1,6 @@
 info face="Symbola" size=-64 bold=0 italic=0 charset="" unicode=1 stretchH=100 smooth=1 aa=1 padding=0,0,0,0 spacing=2,2 outline=2
 common lineHeight=81 base=59 scaleW=1024 scaleH=1024 pages=1 packed=0 alphaChnl=0 redChnl=4 greenChnl=4 blueChnl=4
-page id=0 file="emoji_0.png"
+page id=0 file="emoji.png"
 chars count=187
 char id=9749 x=135   y=333   width=63    height=61    xoffset=1     yoffset=9     xadvance=65    page=0  chnl=15
 char id=9752 x=366   y=396   width=57    height=59    xoffset=0     yoffset=10    xadvance=58    page=0  chnl=15

examples/text/resources/notoCJK.fnt

@@ -1,6 +1,6 @@
 info face="Noto Serif CJK JP" size=-16 bold=0 italic=0 charset="" unicode=1 stretchH=100 smooth=1 aa=1 padding=0,0,0,0 spacing=2,2 outline=1
 common lineHeight=23 base=18 scaleW=512 scaleH=512 pages=1 packed=0 alphaChnl=0 redChnl=4 greenChnl=4 blueChnl=4
-page id=0 file="notoCJK_0.png"
+page id=0 file="notoCJK.png"
 chars count=576
 char id=32   x=507   y=185   width=3     height=3     xoffset=-1    yoffset=-1    xadvance=4     page=0  chnl=15
 char id=33   x=449   y=285   width=5     height=14    xoffset=0     yoffset=5     xadvance=5     page=0  chnl=15

examples/text/resources/shaders/glsl100/sdf.fs

@@ -0,0 +1,23 @@
+#version 100
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+// NOTE: Add here your custom variables
+const float smoothing = 1.0/16.0;
+
+void main()
+{
+    // Texel color fetching from texture sampler
+    // NOTE: Calculate alpha using signed distance field (SDF)
+    float distance = texture2D(texture0, fragTexCoord).a;
+    float alpha = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance);
+    
+    // Calculate final fragment color
+    gl_FragColor = vec4(fragColor.rgb, fragColor.a*alpha);
+}