From 3e56f29a051d14f41dd7325b57f60e955b696d0a Mon Sep 17 00:00:00 2001 From: archmoj Date: Wed, 3 Oct 2018 12:13:04 -0400 Subject: [PATCH 1/2] adjust scales to handle negative cases, fix for reversed bounds --- lib/shaders/backgroundVert.glsl | 2 +- package-lock.json | 1692 +++++++++++++++++++++++++++++++ 2 files changed, 1693 insertions(+), 1 deletion(-) create mode 100644 package-lock.json diff --git a/lib/shaders/backgroundVert.glsl b/lib/shaders/backgroundVert.glsl index 34ecfb2..8bba53e 100644 --- a/lib/shaders/backgroundVert.glsl +++ b/lib/shaders/backgroundVert.glsl @@ -9,7 +9,7 @@ varying vec3 colorChannel; void main() { if(dot(normal, enable) > 0.0) { - vec3 nPosition = mix(bounds[0], bounds[1], 0.5 * (position + 1.0)); + vec3 nPosition = mix(min(bounds[0], bounds[1]), max(bounds[0], bounds[1]), 0.5 * (position + 1.0)); gl_Position = projection * view * model * vec4(nPosition, 1.0); } else { gl_Position = vec4(0,0,0,0); diff --git a/package-lock.json b/package-lock.json new 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"sha1-xWK9MRNkPzRDokXRJAa4i2m5qf8=", + "requires": { + "cwise-compiler": "^1.0.0" + } + } + } +} From f005e7e0f9ed38e4e2a0938796899f5810f343f7 Mon Sep 17 00:00:00 2001 From: archmoj Date: Wed, 3 Oct 2018 16:22:02 -0400 Subject: [PATCH 2/2] reversed bound support for axis3d background planes and zerolines --- axes.js | 2 +- lib/shaders/backgroundFrag.glsl | 2 +- lib/shaders/backgroundVert.glsl | 14 +++++++++++--- 3 files changed, 13 insertions(+), 5 deletions(-) diff --git a/axes.js b/axes.js index 60ff5c9..7c37e4e 100644 --- a/axes.js +++ b/axes.js @@ -411,7 +411,7 @@ proto.draw = function(params) { var v = (i + 1 + (j^1)) % 3 if(this.zeroEnable[v]) { //Check if zero line in bounds - if(bounds[0][v] <= 0 && bounds[1][v] >= 0) { + if(Math.min(bounds[0][v], bounds[1][v]) <= 0 && Math.max(bounds[0][v], bounds[1][v]) >= 0) { this._lines.drawZero(u, v, this.bounds, x, this.zeroLineColor[v], this.zeroLineWidth[v]*this.pixelRatio) } } diff --git a/lib/shaders/backgroundFrag.glsl b/lib/shaders/backgroundFrag.glsl index 15274a7..7cf35aa 100644 --- a/lib/shaders/backgroundFrag.glsl +++ b/lib/shaders/backgroundFrag.glsl @@ -5,7 +5,7 @@ uniform vec4 colors[3]; varying vec3 colorChannel; void main() { - gl_FragColor = colorChannel.x * colors[0] + + gl_FragColor = colorChannel.x * colors[0] + colorChannel.y * colors[1] + colorChannel.z * colors[2]; } \ No newline at end of file diff --git a/lib/shaders/backgroundVert.glsl b/lib/shaders/backgroundVert.glsl index 8bba53e..5b57229 100644 --- a/lib/shaders/backgroundVert.glsl +++ b/lib/shaders/backgroundVert.glsl @@ -8,11 +8,19 @@ uniform vec3 bounds[2]; varying vec3 colorChannel; void main() { - if(dot(normal, enable) > 0.0) { - vec3 nPosition = mix(min(bounds[0], bounds[1]), max(bounds[0], bounds[1]), 0.5 * (position + 1.0)); + + vec3 signAxis = sign(bounds[1] - bounds[0]); + + vec3 realNormal = signAxis * normal; + + if(dot(realNormal, enable) > 0.0) { + vec3 minRange = min(bounds[0], bounds[1]); + vec3 maxRange = max(bounds[0], bounds[1]); + vec3 nPosition = mix(minRange, maxRange, 0.5 * (position + 1.0)); gl_Position = projection * view * model * vec4(nPosition, 1.0); } else { gl_Position = vec4(0,0,0,0); } - colorChannel = abs(normal); + + colorChannel = abs(realNormal); } \ No newline at end of file