From: Alexis Laferrière Date: Mon, 1 Feb 2016 16:42:18 +0000 (-0500) Subject: lib/gamnit: invert Y axis so higher values are higher on the screen X-Git-Url: http://nitlanguage.org lib/gamnit: invert Y axis so higher values are higher on the screen Signed-off-by: Alexis Laferrière --- diff --git a/lib/gamnit/cameras.nit b/lib/gamnit/cameras.nit index 0d64395..a1eed2f 100644 --- a/lib/gamnit/cameras.nit +++ b/lib/gamnit/cameras.nit @@ -209,7 +209,7 @@ class UICamera end # Center of the screen, from the point of view of the camera, at z = 0 - fun center: Point3d[Float] do return new Point3d[Float](position.x + width / 2.0, position.y + height / 2.0, 0.0) + fun center: Point3d[Float] do return new Point3d[Float](position.x + width / 2.0, position.y - height / 2.0, 0.0) # Anchor in the top left corner of the screen, at z = 0 fun top_left: Point3d[Float] do return new Point3d[Float](position.x, position.y, 0.0) @@ -218,10 +218,10 @@ class UICamera fun top_right: Point3d[Float] do return new Point3d[Float](position.x + width, position.y, 0.0) # Anchor in the bottom left corner of the screen, at z = 0 - fun bottom_left: Point3d[Float] do return new Point3d[Float](position.x, position.y + height, 0.0) + fun bottom_left: Point3d[Float] do return new Point3d[Float](position.x, position.y - height, 0.0) # Anchor in the bottom right corner of the screen, at z = 0 - fun bottom_right: Point3d[Float] do return new Point3d[Float](position.x + width, position.y + height, 0.0) + fun bottom_right: Point3d[Float] do return new Point3d[Float](position.x + width, position.y - height, 0.0) # TODO cache the anchors and the matrix diff --git a/lib/gamnit/flat.nit b/lib/gamnit/flat.nit index 1936763..b489f1c 100644 --- a/lib/gamnit/flat.nit +++ b/lib/gamnit/flat.nit @@ -83,7 +83,7 @@ class Sprite simple_2d_program.color.array_enabled = false simple_2d_program.scale.array_enabled = false - simple_2d_program.translation.uniform(center.x, -center.y, center.z, 0.0) + simple_2d_program.translation.uniform(center.x, center.y, center.z, 0.0) simple_2d_program.color.uniform(tint[0], tint[1], tint[2], tint[3]) simple_2d_program.scale.uniform scale