added initial OF and Cinder ports

Author: codeanticode

ports/cinder/Ex_2_1_toon/assets/frag.glsl

@@ -0,0 +1,27 @@
+#version 150
+
+uniform float fraction;
+
+in vec4 vertColor;
+in vec3 vertNormal;
+in vec3 vertLightDir;
+
+out vec4 fragColor;
+
+void main() {  
+  float intensity;
+  vec4 color;
+  intensity = max(0.0, dot(vertLightDir, vertNormal));
+
+  if (intensity > pow(0.95, fraction)) {
+    color = vec4(vec3(1.0), 1.0);
+  } else if (intensity > pow(0.5, fraction)) {
+    color = vec4(vec3(0.6), 1.0);
+  } else if (intensity > pow(0.25, fraction)) {
+    color = vec4(vec3(0.4), 1.0);
+  } else {
+    color = vec4(vec3(0.2), 1.0);
+  }
+
+  fragColor = color * vertColor;
+}

ports/cinder/Ex_2_1_toon/assets/vert.glsl

@@ -0,0 +1,20 @@
+#version 150
+
+uniform mat4 ciModelViewProjection;
+uniform mat3 ciNormalMatrix;
+uniform vec3 lightNormal;
+
+in vec4	ciPosition;
+in vec3	ciNormal;
+in vec4	ciColor;
+
+out vec4 vertColor;
+out vec3 vertNormal;
+out vec3 vertLightDir;
+
+void main() {
+  gl_Position = ciModelViewProjection * ciPosition;    
+  vertNormal = normalize(ciNormalMatrix * ciNormal);
+  vertColor = ciColor;
+  vertLightDir = -normalize(ciNormalMatrix * lightNormal);
+}

ports/cinder/Ex_2_1_toon/include/Resources.h

@@ -0,0 +1,8 @@
+#pragma once
+#include "cinder/CinderResources.h"
+
+//#define RES_MY_RES			CINDER_RESOURCE( ../resources/, image_name.png, 128, IMAGE )
+
+
+
+

ports/cinder/Ex_2_1_toon/resources/CinderApp.icns

@@ -0,0 +1,64 @@
+#include "cinder/app/App.h"
+#include "cinder/app/RendererGl.h"
+#include "cinder/gl/gl.h"
+
+using namespace ci;
+using namespace ci::app;
+using namespace std;
+
+class Ex_2_1_toonApp : public App {
+public:
+    void setup() override;
+    void resize() override;
+    void draw() override;
+    void mouseMove(MouseEvent event) override;
+    
+    float               cameraFOV;
+    float               cameraZ;
+    CameraPersp         mCam;
+    gl::BatchRef        mSphere;
+    gl::GlslProgRef		mGlsl;
+    ivec2				mLastMousePos;
+    vec3                lightDir;
+};
+
+void Ex_2_1_toonApp::setup() {
+    setWindowSize(640, 360);
+    cameraFOV = 60;
+    cameraZ = 0.125f * getWindowHeight() / tan(0.5f * glm::radians(cameraFOV));
+    mCam.lookAt(vec3(0, 0, cameraZ), vec3(0));
+    
+    mGlsl = gl::GlslProg::create(loadAsset("vert.glsl"), loadAsset("frag.glsl"));
+    mSphere = gl::Batch::create(geom::Sphere().radius(30).subdivisions(30), mGlsl);
+    
+    gl::enableDepthWrite();
+    gl::enableDepthRead();
+    
+    mGlsl->uniform("fraction", 1.0f);
+}
+
+void Ex_2_1_toonApp::resize() {
+    mCam.setPerspective(60, getWindowAspectRatio(), cameraZ / 10, cameraZ * 10);
+}
+
+void Ex_2_1_toonApp::draw() {
+    gl::clear(Color(0, 0, 0));
+    
+    gl::setMatrices(mCam);
+    
+    float dirY = 1 - (mLastMousePos[1] / float(getWindowHeight()) - 0.5) * 2;
+    float dirX = (mLastMousePos[0] / float(getWindowWidth()) - 0.5) * 2;
+    lightDir[0] = -dirX;
+    lightDir[1] = -dirY;
+    lightDir[2] = -1;
+    mGlsl->uniform("lightNormal", lightDir);
+    
+    gl::color(0.8f, 0.8f, 0.8f);
+    mSphere->draw();
+}
+
+void Ex_2_1_toonApp::mouseMove( MouseEvent event ) {
+    mLastMousePos = event.getPos();
+}
+
+CINDER_APP( Ex_2_1_toonApp, RendererGl )