Entire project

res/shaders/s2t/frag.gls

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+#version 330 core
+
+uniform sampler2D sampler;
+
+in vec2 texCoords;
+
+out vec4 color;
+
+void main() {
+	color = texture(sampler, texCoords);
+	if(color.a == 0)
+		discard;
+}

res/shaders/s2t/vert.gls

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+#version 330 core
+
+uniform mat4 mvp;
+
+layout (location = 0) in vec3 vertices;
+layout (location = 1) in vec2 itexCoords;
+
+out vec2 texCoords;
+
+void main() {
+	texCoords = itexCoords;
+	gl_Position = mvp * vec4(vertices, 1);
+}