removed unnecessary file

gui/clipper.go

@@ -1,97 +0,0 @@
-// Copyright 2016 The G3N Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package gui
-
-import (
-	"github.com/g3n/engine/core"
-	"github.com/g3n/engine/gls"
-	"github.com/g3n/engine/graphic"
-	"github.com/g3n/engine/material"
-	"github.com/g3n/engine/math32"
-)
-
-// Clipper is a 2D graphic which optionally clips its children inside its boundary
-type Clipper struct {
-	*graphic.Graphic                     // Embedded graphic
-	root             *Root               // pointer to root container
-	width            float32             // external width in pixels
-	height           float32             // external height in pixels
-	mat              *material.Material  // panel material
-	modelMatrixUni   gls.UniformMatrix4f // pointer to model matrix uniform
-	pospix           math32.Vector3      // absolute position in pixels
-	xmin             float32             // minimum absolute x this panel can use
-	xmax             float32             // maximum absolute x this panel can use
-	ymin             float32             // minimum absolute y this panel can use
-	ymax             float32             // maximum absolute y this panel can use
-	bounded          bool                // panel is bounded by its parent
-	enabled          bool                // enable event processing
-	cursorEnter      bool                // mouse enter dispatched
-	layout           ILayout             // current layout for children
-	layoutParams     interface{}         // current layout parameters used by container panel
-}
-
-// NewClipper creates and returns a pointer to a new clipper with the
-// specified dimensions in pixels
-func NewClipper(width, height float32, gr *graphic.Graphic) *Clipper {
-
-	c := new(Clipper)
-	c.Initialize(width, height, gr)
-	return c
-}
-
-// Initialize initializes this panel with a different geometry, material and OpenGL primitive
-func (c *Clipper) Initialize(width, height float32, gr *graphic.Graphic) {
-
-	c.Graphic = gr
-	c.width = width
-	c.height = height
-
-	// Creates and adds uniform
-	c.modelMatrixUni.Init("ModelMatrix")
-
-	// Set defaults
-	c.bounded = true
-	c.enabled = true
-	//c.resize(width, height)
-}
-
-// RenderSetup is called by the Engine before drawing the object
-func (c *Clipper) RenderSetup(gl *gls.GLS, rinfo *core.RenderInfo) {
-
-	// Sets model matrix
-	var mm math32.Matrix4
-	c.SetModelMatrix(gl, &mm)
-	c.modelMatrixUni.SetMatrix4(&mm)
-
-	// Transfer model matrix uniform
-	c.modelMatrixUni.Transfer(gl)
-}
-
-// SetModelMatrix calculates and sets the specified matrix with the model matrix for this clipper
-func (c *Clipper) SetModelMatrix(gl *gls.GLS, mm *math32.Matrix4) {
-
-	// Get the current viewport width and height
-	_, _, width, height := gl.GetViewport()
-	fwidth := float32(width)
-	fheight := float32(height)
-
-	// Scale the quad for the viewport so it has fixed dimensions in pixels.
-	fw := float32(c.width) / fwidth
-	fh := float32(c.height) / fheight
-	var scale math32.Vector3
-	scale.Set(2*fw, 2*fh, 1)
-
-	// Convert absolute position in pixel coordinates from the top/left to
-	// standard OpenGL clip coordinates of the quad center
-	var posclip math32.Vector3
-	posclip.X = (c.pospix.X - fwidth/2) / (fwidth / 2)
-	posclip.Y = -(c.pospix.Y - fheight/2) / (fheight / 2)
-	posclip.Z = c.Position().Z
-
-	// Calculates the model matrix
-	var quat math32.Quaternion
-	quat.SetIdentity()
-	mm.Compose(&posclip, &quat, &scale)
-}