gles 3, use cam

example-atlas/src/main.cpp

@@ -6,7 +6,7 @@ int main(){
     #ifdef OF_TARGET_OPENGLES
         ofGLESWindowSettings settings;
         //settings.setSize(1920, 1080);
-        settings.glesVersion = 2;
+        settings.glesVersion = 3;
     #else
         ofGLWindowSettings settings;
         settings.setSize(1920, 1080);

example-atlas/src/ofApp.cpp

@@ -2,25 +2,31 @@
 #include "conversion.h"
 #include "import-font.h"
 #include "ofAppRunner.h"
+#include "ofGraphics.h"
 #include "ofGraphicsBaseTypes.h"
 #include "ofUtils.h"
 
 //--------------------------------------------------------------
 void ofApp::setup(){
+    ofSetFrameRate(30);
+    ofSetVerticalSync(false);
     //string fontName = "RobotoFlex.ttf";
     //string fontPath = "data/fonts/" + fontName;
-    //string fontPath = "data/celines-fonts/testing2VF.ttf";
+    string fontPath = "data/celines-fonts/testing2VF.ttf";
-    string fontPath = "data/celines-fonts/Cottagecore.ttf";
+    //string fontPath = "data/celines-fonts/Cottagecore.ttf";
     ofxMsdfgen::AtlasSettings settings;
-    //settings.characters = "ABCDEFGHIJKL";
+    settings.characters = "ABCDEFGHIJKL";
     atlas.setup(fontPath, settings);
     atlasImage = atlas.getAtlasImage();
     glyphGeometries = atlas.getGlyphGeometries();
     #ifdef TARGET_EMSCRIPTEN
-        shader.load("ofxMsdfgen/shaders/simple/ES3/shader");
+        shader.load("ofxMsdfgen/shaders/unitRange/ES3/shader");
     #else
-        shader.load("ofxMsdfgen/shaders/simple/GL3/shader");
+        shader.load("ofxMsdfgen/shaders/unitRange/GL3/shader");
     #endif
+
+    cam.setPosition(ofGetWidth() / 2, ofGetHeight() / 2, -1000);
+    cam.lookAt(glm::vec3(ofGetWidth() / 2, ofGetHeight() / 2, 0));
 }
 
 //--------------------------------------------------------------
@@ -31,6 +37,9 @@ void ofApp::update(){
 //--------------------------------------------------------------
 void ofApp::draw(){
     ofBackground(ofColor::lightBlue);
+    cam.begin();
+    ofEnableDepthTest();
+    ofEnableAlphaBlending();
     ofPushMatrix();
     ofTranslate(
         ofMap(sin(ofGetElapsedTimeMillis() * 0.0001), -1, 1, 0, ofGetWidth() - atlasImage.getWidth()),
@@ -52,42 +61,43 @@ void ofApp::draw(){
     //for(int c = 0; c < word.length(); c++){
     //unicode_t character = word[c];
     //const ofxMsdfgen::GlyphGeometry & glyphGeometry = glyphGeometries[0];
-    float pxRange = 2.0;
+    int amount = 0;
+    float mouser = ofGetMousePressed() ? ofMap(ofGetMouseX(), 0, ofGetWidth(), 0.001, 1) : 1;
+    for(int iz = 0; iz < 3; iz++){
+        tx = 0;
+        ty = 0;
+        for(int i = 0; i < 42; i++){
             for(const auto & glyphGeometry : glyphGeometries){
-        //if(glyphGeometry.getCodepoint() == character){
                 word += glyphGeometry.getCodepoint();
-        float x = 0;
+                int x, y, w, h;
-        float y = 0;
+                glyphGeometry.getBoxRect(x, y, w, h);
-        float w = glyphGeometry.getBoxRect().w;
+                glm::vec2 unitRange = glm::vec2(atlas.settings.pixelRange) / glm::vec2(w, h);
-        float h = glyphGeometry.getBoxRect().h;
+                shader.setUniform2f("unitRange", unitRange * mouser);
-        glm::vec2 unitRange = glm::vec2(pxRange) / glm::vec2(w, h);
-        shader.setUniform2f("unitRange", unitRange);
-        float sx = glyphGeometry.getBoxRect().x;
-        float sy = glyphGeometry.getBoxRect().y;
-        float sw = glyphGeometry.getBoxRect().w;
-        float sh = glyphGeometry.getBoxRect().h;
                 if(tx + w > ofGetWidth()){
-            ty += 100;
+                    ty += atlas.settings.scale * 2;
                     tx = 0;
                 }
                 ofPushMatrix();
-        //ofTranslate(tx, ty, 0);
+                ofTranslate(tx, ty, 0);
-        atlasImage.drawSubsection(x, y, w, h, sx, sy, sw, sh);
+                atlasImage.drawSubsection(0, 0, w, h, x, y, w, h);
                 ofPopMatrix();
-        //ofTranslate(glyphGeometry.getAdvance() * atlas.settings.scale, 0, 0);
+                tx += atlas.settings.scale;
-        ofTranslate(atlas.settings.scale, 0, 0);
+                amount++;
-        tx += glyphGeometry.getAdvance() * atlas.settings.scale;
+            }
-        //}
+        }
+        ofTranslate(0, 0, 100);
     }
-    //}
     ofPopMatrix();
+    ofDisableAlphaBlending();
+    ofDisableDepthTest();
+    cam.end();
 
     shader.end();
     ofPushStyle();
     ofSetColor(ofColor::purple);
-    ofDrawBitmapString("pxRange: " + ofToString(pxRange) + "\n"
+    ofDrawBitmapString("glyph amount: " + ofToString(amount) + "\n"
-                       + "glyph amount: " + ofToString(glyphGeometries.size()) + "\n"
                        + "word: " + word + "\n"
+                       + "mouser: " + ofToString(mouser) + "\n"
                        + "fps: " + ofToString(ofGetFrameRate()), 20, 20);
     ofPopStyle();
 }

example-atlas/src/ofApp.h

@@ -3,10 +3,26 @@
 #include "Atlas.h"
 #include "conversion.h"
 #include "ofMain.h"
+#include "ofQuaternion.h"
 #include "ofxMsdfgen.h"
+#include <unordered_map>
 
 using namespace msdfgen;
 
+struct AtlasLetter {
+    int x, y, w, h;
+    glm::vec2 unitRange;
+    void draw(const ofImage & image,
+              const ofShader & shader){
+        shader.setUniform2f("unitRange", unitRange);
+        image.drawSubsection(0, 0, w, h, x, y, w, h);
+    }
+};
+struct DrawnLetter {
+    glm::vec3 position;
+    glm::quat orientation;
+};
+
 class ofApp : public ofBaseApp {
 
     public:
@@ -30,4 +46,8 @@ class ofApp : public ofBaseApp {
         ofImage atlasImage;
         vector <ofxMsdfgen::GlyphGeometry> glyphGeometries;
         ofShader shader;
+        ofEasyCam cam;
+        unordered_map <char *, AtlasLetter> atlasLetters;
+        std::vector <DrawnLetter> drawnLetters;
+        std::vector <int> drawOrder;
 };