1 files changed, 47 insertions, 0 deletions
diff --git a/demo/ScreenQuad.lua b/demo/ScreenQuad.lua
new file mode 100644
index 0000000..938674c
--- /dev/null
+++ b/demo/ScreenQuad.lua
@@ -0,0 +1,47 @@
+local ScreenQuad = {}
+
+ScreenQuad.quad = honey.primitives.plane(2,2)
+
+local vertexShader = [[
+#version 330 core
+
+layout(location = 0) in vec3 position;
+layout(location = 1) in vec3 normal;
+layout(location = 2) in vec2 uv;
+
+out vec2 UV;
+
+void main() 
+{
+  gl_Position = vec4(position.xy, 0, 1) - vec4(1,1,0,0);
+  UV = uv;
+} ]]
+
+local fragmentShader = [[
+#version 330 core
+
+in vec2 UV;
+
+uniform sampler2D tex;
+
+out vec4 color;
+
+void main()
+{
+  color = vec4(texture(tex, UV));
+} ]]
+
+ScreenQuad.shader = honey.shader.new(vertexShader, fragmentShader)
+
+ScreenQuad.texture = honey.texture.new()
+honey.texture.create(ScreenQuad.texture, 'rgba', 640, 480);
+--honey.texture.load(ScreenQuad.texture, 'checkerboard.png', false)
+
+ScreenQuad.fb = honey.texture.new_framebuffer(ScreenQuad.texture, nil, 640, 480)
+
+ScreenQuad.draw = function(self)
+   honey.texture.use(self.texture, 0)
+   honey.mesh.draw(self.quad, self.shader)
+end
+
+return ScreenQuad