openFrameworks – ページ 394 – プログラミング de 落描き

2021年8月25日2021年8月25日

Broken and repaired. Draw by openFrameworks

[ Video ]

[ About ]
ノイズ関数で生成した値を、0.5を閾値として動作を変える。

Change the behavior of the value generated by the noise function with 0.5 as the threshold.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;

	vector<ofMeshFace> triangle_list;
	ofMesh mesh, frame;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

vector<ofMeshFace> triangle_list;

ofMesh mesh, frame;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(300, 3);
	this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	this->mesh.clear();
	this->frame.clear();

	int radius = 300;
	for (int i = 0; i < this->triangle_list.size(); i++) {

		glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3;
		auto noise_value = ofNoise(avg.x * 0.005, avg.y * 0.005, avg.z * 0.005, ofGetFrameNum() * 0.01);
		glm::highp_dmat4 rotation_x, rotation_y, rotation_z;

		if (noise_value < 0.5) {

			auto angle = 0.f;
			if (noise_value < 0.4) {
			
				angle = ofMap(noise_value, 0, 0.4, PI * 10, PI);
			}
			else {

				angle = ofMap(noise_value, 0.4, 0.5, PI, 0);
			}

			rotation_x = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));
			rotation_y = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));
			rotation_z = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));
		}
		else {

			rotation_x = glm::rotate(glm::mat4(), 0.f, glm::vec3(1, 0, 0));
			rotation_y = glm::rotate(glm::mat4(), 0.f, glm::vec3(0, 1, 0));
			rotation_z = glm::rotate(glm::mat4(), 0.f, glm::vec3(0, 0, 1));
		}

		vector<glm::vec3> vertices;

		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius + 2) - avg);
		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius + 2) - avg);
		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius + 2) - avg);

		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 2) - avg);
		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 2) - avg);
		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 2) - avg);

		for (auto& vertex : vertices) {

			vertex = glm::vec4(vertex, 0) *  rotation_z * rotation_y * rotation_x;
			if (noise_value < 0.5) {
			
				vertex += glm::normalize(avg) * ofMap(noise_value, 0, 0.5, radius * 2, radius);
			}
			else {

				vertex += avg;
			}
		}

		this->mesh.addVertices(vertices);
		this->frame.addVertices(vertices);

		this->mesh.addColor(ofColor(239));
		this->mesh.addColor(ofColor(239));
		this->mesh.addColor(ofColor(239));

		this->mesh.addColor(ofColor(239, 39, 39));
		this->mesh.addColor(ofColor(239, 39, 39));
		this->mesh.addColor(ofColor(239, 39, 39));

		this->frame.addColor(ofColor(239, 39, 39));
		this->frame.addColor(ofColor(239, 39, 39));
		this->frame.addColor(ofColor(239, 39, 39));

		this->frame.addColor(ofColor(39));
		this->frame.addColor(ofColor(39));
		this->frame.addColor(ofColor(39));

		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3);
		this->mesh.addTriangle(this->mesh.getNumVertices() - 4, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 6);

		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 5);
		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 4);

		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);
		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 4);

		this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);
		this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 5);

		this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
		this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);
		this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3);

		this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);
		this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);
		this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

		this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);
		this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);
		this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);

	ofSetColor(239);
	this->mesh.drawFaces();

	ofSetColor(39);
	this->frame.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(300, 3);

this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

this->frame.clear();

int radius = 300;

for (int i = 0; i < this->triangle_list.size(); i++) {

glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3;

auto noise_value = ofNoise(avg.x * 0.005, avg.y * 0.005, avg.z * 0.005, ofGetFrameNum() * 0.01);

glm::highp_dmat4 rotation_x, rotation_y, rotation_z;

if (noise_value < 0.5) {

auto angle = 0.f;

if (noise_value < 0.4) {

angle = ofMap(noise_value, 0, 0.4, PI * 10, PI);

}

else {

angle = ofMap(noise_value, 0.4, 0.5, PI, 0);

}

rotation_x = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

rotation_y = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));

rotation_z = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

}

else {

rotation_x = glm::rotate(glm::mat4(), 0.f, glm::vec3(1, 0, 0));

rotation_y = glm::rotate(glm::mat4(), 0.f, glm::vec3(0, 1, 0));

rotation_z = glm::rotate(glm::mat4(), 0.f, glm::vec3(0, 0, 1));

}

vector<glm::vec3> vertices;

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius + 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius + 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius + 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 2) - avg);

for (auto& vertex : vertices) {

vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;

if (noise_value < 0.5) {

vertex += glm::normalize(avg) * ofMap(noise_value, 0, 0.5, radius * 2, radius);

}

else {

vertex += avg;

}

this->mesh.addVertices(vertices);

this->frame.addVertices(vertices);

this->mesh.addColor(ofColor(239));

this->mesh.addColor(ofColor(239, 39, 39));

this->frame.addColor(ofColor(239, 39, 39));

this->frame.addColor(ofColor(39));

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3);

this->mesh.addTriangle(this->mesh.getNumVertices() - 4, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 6);

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 5);

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 4);

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 4);

this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);

this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3);

this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);

this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

ofSetColor(239);

this->mesh.drawFaces();

ofSetColor(39);

this->frame.drawWireframe();

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210825

[ Kinako ]

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年8月24日2021年8月24日

Connect the circles. Draw by openFrameworks

[ Video ]

[ About ]
円をつなぐ線を書く。
凄く昔の落書きのリメイク。

Draw a line connecting the circles.
A remake of a very old doodle.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {}
	void keyReleased(int key) {}
	void mouseMoved(int x, int y) {}
	void mouseDragged(int x, int y, int button) {}
	void mousePressed(int x, int y, int button) {}
	void mouseReleased(int x, int y, int button) {}
	void mouseEntered(int x, int y) {}
	void mouseExited(int x, int y) {}
	void windowResized(int w, int h) {}
	void dragEvent(ofDragInfo dragInfo) {}
	void gotMessage(ofMessage msg) {}
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {}

void keyReleased(int key) {}

void mouseMoved(int x, int y) {}

void mouseDragged(int x, int y, int button) {}

void mousePressed(int x, int y, int button) {}

void mouseReleased(int x, int y, int button) {}

void mouseEntered(int x, int y) {}

void mouseExited(int x, int y) {}

void windowResized(int w, int h) {}

void dragEvent(ofDragInfo dragInfo) {}

void gotMessage(ofMessage msg) {}

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
}

//--------------------------------------------------------------
void ofApp::update() {

}

//--------------------------------------------------------------
void ofApp::draw() {

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	int radius = 80;
	int location_radius = 230;
	int deg_span = 60;

	for (int deg = 0; deg < 360; deg += 10) {

		int tmp_deg = deg + ofGetFrameNum() * 0.5;
		vector<glm::vec2> vertices;
		for (int location_deg = 0; location_deg < 360; location_deg += deg_span) {

			auto base_location = glm::vec2(location_radius * cos(location_deg * DEG_TO_RAD), location_radius * sin(location_deg * DEG_TO_RAD));
			auto location = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));

			vertices.push_back(base_location + location);
			tmp_deg += 120;
		}

		ofColor color = ofColor();
		color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 230);
		ofSetColor(color);

		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofFill();
		for (auto vertex : vertices) {

			ofDrawCircle(vertex, 3.5);
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

}

//--------------------------------------------------------------

void ofApp::update() {

}

//--------------------------------------------------------------

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

int radius = 80;

int location_radius = 230;

int deg_span = 60;

for (int deg = 0; deg < 360; deg += 10) {

int tmp_deg = deg + ofGetFrameNum() * 0.5;

vector<glm::vec2> vertices;

for (int location_deg = 0; location_deg < 360; location_deg += deg_span) {

auto base_location = glm::vec2(location_radius * cos(location_deg * DEG_TO_RAD), location_radius * sin(location_deg * DEG_TO_RAD));

auto location = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));

vertices.push_back(base_location + location);

tmp_deg += 120;

}

ofColor color = ofColor();

color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 230);

ofSetColor(color);

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofFill();

for (auto vertex : vertices) {

ofDrawCircle(vertex, 3.5);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210824

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年8月23日2021年8月23日

Lack font. Draw by openFrameworks

[ Video ]

[ About ]

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	bool foundLocation(glm::vec3 value);

	ofEasyCam cam;
	ofMesh face, frame;

	ofTrueTypeFont font;
	vector<glm::vec3> location_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

bool foundLocation(glm::vec3 value);

ofEasyCam cam;

ofMesh face, frame;

ofTrueTypeFont font;

vector<glm::vec3> location_list;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 200, true, true, true);

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	string word = "LACK";
	this->font.drawString(word, this->font.stringWidth(word) * -0.56, this->font.stringHeight(word) - 250);

	fbo.end();

	int span = 5;
	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < fbo.getWidth(); x += span) {

		for (int y = 0; y < fbo.getHeight(); y += span) {

			ofColor color = pixels.getColor(x, y);
			if (color != ofColor(0, 0)) {

					this->location_list.push_back(glm::vec3(x - fbo.getWidth() * 0.5, y - fbo.getHeight() * 0.5, 0));
			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	int span = 5;
	float threshold = 0.4;
	float frame_param = ofGetFrameNum() * 0.015;
	float coordinate_param = 0.0065;

	for (int i = 0; i < this->location_list.size(); i++) {

		for (int z = -100; z <= 100; z += 50) {

			auto x = this->location_list[i].x;
			auto y = this->location_list[i].y;

			auto noise_location = glm::vec3(x, y, z);
			auto noise_value = ofNoise(glm::vec3(noise_location.x * coordinate_param, noise_location.y * coordinate_param, noise_location.z * coordinate_param + frame_param));
			if (noise_value < threshold) { continue; }

			auto loc_1 = glm::vec3(x - span, y, z);
			auto noise_1 = this->foundLocation(loc_1) ? ofNoise(glm::vec3(loc_1.x * coordinate_param, loc_1.y * coordinate_param, loc_1.z * coordinate_param + frame_param)) : 0;
			auto loc_2 = glm::vec3(x, y + span, z);
			auto noise_2 = this->foundLocation(loc_2) ? ofNoise(glm::vec3(loc_2.x * coordinate_param, loc_2.y * coordinate_param, loc_2.z * coordinate_param + frame_param)) : 0;
			auto loc_3 = glm::vec3(x + span, y, z);
			auto noise_3 = this->foundLocation(loc_3) ? ofNoise(glm::vec3(loc_3.x * coordinate_param, loc_3.y * coordinate_param, loc_3.z * coordinate_param + frame_param)) : 0;
			auto loc_4 = glm::vec3(x, y - span, z);
			auto noise_4 = this->foundLocation(loc_4) ? ofNoise(glm::vec3(loc_4.x * coordinate_param, loc_4.y * coordinate_param, loc_4.z * coordinate_param + frame_param)) : 0;

			auto index = this->face.getNumVertices();
			vector<glm::vec3> vertices;

			vertices.push_back(glm::vec3(x - span * 0.5, y - span * 0.5, z));
			vertices.push_back(glm::vec3(x + span * 0.5, y - span * 0.5, z));
			vertices.push_back(glm::vec3(x + span * 0.5, y + span * 0.5, z));
			vertices.push_back(glm::vec3(x - span * 0.5, y + span * 0.5, z));

			this->face.addVertices(vertices);

			this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2);
			this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

			if (noise_1 < threshold) {

				this->frame.addVertex(vertices[0]);
				this->frame.addVertex(vertices[3]);

				this->frame.addIndex(this->frame.getNumVertices() - 1);
				this->frame.addIndex(this->frame.getNumVertices() - 2);
			}

			if (noise_2 < threshold) {

				this->frame.addVertex(vertices[2]);
				this->frame.addVertex(vertices[3]);

				this->frame.addIndex(this->frame.getNumVertices() - 1);
				this->frame.addIndex(this->frame.getNumVertices() - 2);
			}

			if (noise_3 < threshold) {

				this->frame.addVertex(vertices[1]);
				this->frame.addVertex(vertices[2]);

				this->frame.addIndex(this->frame.getNumVertices() - 1);
				this->frame.addIndex(this->frame.getNumVertices() - 2);
			}

			if (noise_4 < threshold) {

				this->frame.addVertex(vertices[0]);
				this->frame.addVertex(vertices[1]);

				this->frame.addIndex(this->frame.getNumVertices() - 1);
				this->frame.addIndex(this->frame.getNumVertices() - 2);

			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateX(180);

	ofSetColor(239);
	this->frame.draw();

	ofSetColor(39);
	this->face.draw();

	this->cam.end();
}

//--------------------------------------------------------------
bool ofApp::foundLocation(glm::vec3 value) {

	for (int i = 0; i < this->location_list.size(); i++) {

		if (this->location_list[i] == glm::vec3(value.x, value.y, 0)) {

			return true;
		}
	}

	return false;
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 200, true, true, true);

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofClear(0);

ofSetColor(0);

string word = "LACK";

this->font.drawString(word, this->font.stringWidth(word) * -0.56, this->font.stringHeight(word) - 250);

fbo.end();

int span = 5;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < fbo.getWidth(); x += span) {

for (int y = 0; y < fbo.getHeight(); y += span) {

ofColor color = pixels.getColor(x, y);

if (color != ofColor(0, 0)) {

this->location_list.push_back(glm::vec3(x - fbo.getWidth() * 0.5, y - fbo.getHeight() * 0.5, 0));

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int span = 5;

float threshold = 0.4;

float frame_param = ofGetFrameNum() * 0.015;

float coordinate_param = 0.0065;

for (int i = 0; i < this->location_list.size(); i++) {

for (int z = -100; z <= 100; z += 50) {

auto x = this->location_list[i].x;

auto y = this->location_list[i].y;

auto noise_location = glm::vec3(x, y, z);

auto noise_value = ofNoise(glm::vec3(noise_location.x * coordinate_param, noise_location.y * coordinate_param, noise_location.z * coordinate_param + frame_param));

if (noise_value < threshold) { continue; }

auto loc_1 = glm::vec3(x - span, y, z);

auto noise_1 = this->foundLocation(loc_1) ? ofNoise(glm::vec3(loc_1.x * coordinate_param, loc_1.y * coordinate_param, loc_1.z * coordinate_param + frame_param)) : 0;

auto loc_2 = glm::vec3(x, y + span, z);

auto noise_2 = this->foundLocation(loc_2) ? ofNoise(glm::vec3(loc_2.x * coordinate_param, loc_2.y * coordinate_param, loc_2.z * coordinate_param + frame_param)) : 0;

auto loc_3 = glm::vec3(x + span, y, z);

auto noise_3 = this->foundLocation(loc_3) ? ofNoise(glm::vec3(loc_3.x * coordinate_param, loc_3.y * coordinate_param, loc_3.z * coordinate_param + frame_param)) : 0;

auto loc_4 = glm::vec3(x, y - span, z);

auto noise_4 = this->foundLocation(loc_4) ? ofNoise(glm::vec3(loc_4.x * coordinate_param, loc_4.y * coordinate_param, loc_4.z * coordinate_param + frame_param)) : 0;

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x - span * 0.5, y - span * 0.5, z));

vertices.push_back(glm::vec3(x + span * 0.5, y - span * 0.5, z));

vertices.push_back(glm::vec3(x + span * 0.5, y + span * 0.5, z));

vertices.push_back(glm::vec3(x - span * 0.5, y + span * 0.5, z));

this->face.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2);

this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

if (noise_1 < threshold) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[3]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_2 < threshold) {

this->frame.addVertex(vertices[2]);

this->frame.addVertex(vertices[3]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_3 < threshold) {

this->frame.addVertex(vertices[1]);

this->frame.addVertex(vertices[2]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_4 < threshold) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[1]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofSetColor(239);

this->frame.draw();

ofSetColor(39);

this->face.draw();

this->cam.end();

}

//--------------------------------------------------------------

bool ofApp::foundLocation(glm::vec3 value) {

for (int i = 0; i < this->location_list.size(); i++) {

if (this->location_list[i] == glm::vec3(value.x, value.y, 0)) {

return true;

}

return false;

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210823

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年11月
月	火	水	木	金	土	日
				1	2	3
4	5	6	7	8	9	10
11	12	13	14	15	16	17
18	19	20	21	22	23	24
25	26	27	28	29	30