1 files changed, 28 insertions, 0 deletions
diff --git a/assets/shaders/Font_FS.glsl b/assets/shaders/Font_FS.glsl
new file mode 100755
index 0000000..2b6f33b
--- /dev/null
+++ b/assets/shaders/Font_FS.glsl
@@ -0,0 +1,28 @@
+#version 330
+
+in vec2 pass_textureCoords;
+
+out vec4 out_color;
+
+uniform vec3 color;
+uniform sampler2D fontAtlas;
+
+const float width = 0.5;
+const float edge = 0.1;
+
+const float borderWidth = 0.0;
+const float borderEdge = 0.5;
+
+const vec2 offset = vec2(0, 0.0);
+
+const vec3 outlineColour = vec3(1.0,0.0,0.0);
+
+void main(void){
+	float distance = 1.0 - texture(fontAtlas, pass_textureCoords).a;
+	float alpha = 1.0 - smoothstep(width, width + edge, distance);
+	float distance2 = 1.0 - texture(fontAtlas, pass_textureCoords + offset).a;
+	float outlineAlpha = 1.0 - smoothstep(borderWidth, borderWidth + borderEdge, distance2);
+	float overallAlpha = alpha + (1.0 - alpha) * outlineAlpha;
+	vec3 overallColor = mix(outlineColour, color, alpha / overallAlpha);
+	out_color = vec4(overallColor, overallAlpha);
+}