First commit

ellipse.fs

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+#version 330 core
+in vec4 color;
+out vec4 FragColor;
+void main() {
+    FragColor = color;
+}

ellipse.vs

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+#version 330 core
+layout (location = 0) in vec4 vertices;
+uniform vec4 ourColor;
+out vec4 color;
+void main() 
+{
+    color = ourColor;
+    gl_Position = vertices;
+} 

line.fs

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+#version 330 core
+in vec4 color;
+out vec4 FragColor;
+void main() {
+    // FragColor = vec4(1.,1.,0., 1.0);
+    FragColor = color;
+}

line.vs

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+#version 330 core
+layout (location = 0) in vec4 vertices;
+uniform vec4 ourColor;
+out vec4 color;
+void main() 
+{
+    color = ourColor;
+    gl_Position = vertices;
+} 

text.fs

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+#version 330 core
+in vec2 TexCoords;
+out vec4 FragColor;
+uniform sampler2D text;
+uniform vec3 textColor;
+void main()
+{
+ vec4 sampled = vec4(1.0, 1.0, 1.0, texture(text, TexCoords).r);
+    FragColor = vec4(textColor, 1.00) * sampled;
+}

text.vs

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+#version 330 core
+layout (location = 4) in vec4 vertex;
+out vec2 TexCoords;
+uniform mat4 projection;
+void main()
+{
+    gl_Position = projection * vec4(vertex.xy, 0.0, 1.0);
+    TexCoords.x = vertex.z;
+    TexCoords.y = vertex.w;
+}