ofMesh – ページ 120 – プログラミング de 落描き

2021年5月24日2021年5月24日

Ring & Box. Draw by openFrameworks

[ Video ]

[ About ]
Ring & Box.

[ 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) {};

	void setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float size, ofColor face_color);
	void setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float height, float width, float depth, ofColor face_colorr);

	ofEasyCam cam;
	ofMesh face, line;
	float noise_param;
};

#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) {};

void setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float size, ofColor face_color);

void setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float height, float width, float depth, ofColor face_colorr);

ofEasyCam cam;

ofMesh face, line;

float noise_param;

};

#include "ofApp.h"	

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

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

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

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

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

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

	for (int x = -350; x <= 350; x += 8) {

		for (int y = -350; y <= 350; y += 8) {

			auto height = ofMap(ofNoise(x, y, ofGetFrameNum() * 0.005), 0, 1, 0, 200);
			auto rad = std::atan2(y, x);
			auto noise_value = ofNoise(cos(rad), sin(rad), this->noise_param);
			auto radius = ofMap(noise_value, 0, 1, 100, 350);
			auto distance = glm::distance(glm::vec2(radius * cos(rad), radius * sin(rad)), glm::vec2(x, y));

			if (distance < 50) {
			
				height *= ofMap(distance, 0, 50, 1, 0);
				this->setBoxToMesh(this->face, this->line, glm::vec3(x, y, height * -0.5), 8, 8, height, ofColor(239));
			}
			else {

				this->setBoxToMesh(this->face, this->line, glm::vec3(x, y, -4), 8, 8, 8, ofColor(239));
			}
		}
	}

	if (ofGetFrameNum() % 70 < 45) {

		this->noise_param += ofMap(ofGetFrameNum() % 70, 0, 45, 0.07, 0);
	}
}

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

	this->cam.begin();
	ofRotateX(130);

	this->face.draw();

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

	ofMesh ring, ring_line;
	ring_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	vector<glm::vec3> vertices;
	for (float deg = 0; deg <= 360; deg += 1) {

		auto noise_value = ofNoise(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD), this->noise_param);
		auto radius = ofMap(noise_value, 0, 1, 100, 350);
		
		vertices.push_back(glm::vec3((radius - 15) * cos(deg * DEG_TO_RAD), (radius - 15) * sin(deg * DEG_TO_RAD), -300));
		vertices.push_back(glm::vec3((radius + 15) * cos(deg * DEG_TO_RAD), (radius + 15) * sin(deg * DEG_TO_RAD), -300));

		ring.addVertices(vertices);
		ring_line.addVertices(vertices);
		if (deg > 0) {

			ring.addIndex(ring.getNumVertices() - 1); ring.addIndex(ring.getNumVertices() - 2); ring.addIndex(ring.getNumVertices() - 4);
			ring.addIndex(ring.getNumVertices() - 1); ring.addIndex(ring.getNumVertices() - 4); ring.addIndex(ring.getNumVertices() - 5);

			ring_line.addIndex(ring_line.getNumVertices() - 1); ring_line.addIndex(ring_line.getNumVertices() - 3);
			ring_line.addIndex(ring_line.getNumVertices() - 2); ring_line.addIndex(ring_line.getNumVertices() - 4);
		}
	}

	ofSetColor(239);
	ring.draw();
	ofSetColor(39);
	ring_line.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float size, ofColor face_color) {

	this->setBoxToMesh(face_target, line_target, location, size, size, size, face_color);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float height, float width, float depth, ofColor face_color) {

	int face_index = face_target.getNumVertices();
	int line_index = line_target.getNumVertices();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

	face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
	face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

	face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);
	face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);

	face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

	line_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	line_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	line_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	line_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	line_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	line_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	line_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	line_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

	line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 1);
	line_target.addIndex(line_index + 1); line_target.addIndex(line_index + 2);
	line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 3);
	line_target.addIndex(line_index + 3); line_target.addIndex(line_index + 0);

	line_target.addIndex(line_index + 4); line_target.addIndex(line_index + 5);
	line_target.addIndex(line_index + 5); line_target.addIndex(line_index + 6);
	line_target.addIndex(line_index + 6); line_target.addIndex(line_index + 7);
	line_target.addIndex(line_index + 7); line_target.addIndex(line_index + 4);

	line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 4);
	line_target.addIndex(line_index + 1); line_target.addIndex(line_index + 5);
	line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 6);
	line_target.addIndex(line_index + 3); line_target.addIndex(line_index + 7);

	for (int i = 0; i < 8; i++) {

		face_target.addColor(face_color);
	}
}

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

165

166

167

168

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

for (int x = -350; x <= 350; x += 8) {

for (int y = -350; y <= 350; y += 8) {

auto height = ofMap(ofNoise(x, y, ofGetFrameNum() * 0.005), 0, 1, 0, 200);

auto rad = std::atan2(y, x);

auto noise_value = ofNoise(cos(rad), sin(rad), this->noise_param);

auto radius = ofMap(noise_value, 0, 1, 100, 350);

auto distance = glm::distance(glm::vec2(radius * cos(rad), radius * sin(rad)), glm::vec2(x, y));

if (distance < 50) {

height *= ofMap(distance, 0, 50, 1, 0);

this->setBoxToMesh(this->face, this->line, glm::vec3(x, y, height * -0.5), 8, 8, height, ofColor(239));

}

else {

this->setBoxToMesh(this->face, this->line, glm::vec3(x, y, -4), 8, 8, 8, ofColor(239));

}

if (ofGetFrameNum() % 70 < 45) {

this->noise_param += ofMap(ofGetFrameNum() % 70, 0, 45, 0.07, 0);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(130);

this->face.draw();

ofSetColor(39);

this->line.drawWireframe();

ofMesh ring, ring_line;

ring_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

vector<glm::vec3> vertices;

for (float deg = 0; deg <= 360; deg += 1) {

auto noise_value = ofNoise(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD), this->noise_param);

auto radius = ofMap(noise_value, 0, 1, 100, 350);

vertices.push_back(glm::vec3((radius - 15) * cos(deg * DEG_TO_RAD), (radius - 15) * sin(deg * DEG_TO_RAD), -300));

vertices.push_back(glm::vec3((radius + 15) * cos(deg * DEG_TO_RAD), (radius + 15) * sin(deg * DEG_TO_RAD), -300));

ring.addVertices(vertices);

ring_line.addVertices(vertices);

if (deg > 0) {

ring.addIndex(ring.getNumVertices() - 1); ring.addIndex(ring.getNumVertices() - 2); ring.addIndex(ring.getNumVertices() - 4);

ring.addIndex(ring.getNumVertices() - 1); ring.addIndex(ring.getNumVertices() - 4); ring.addIndex(ring.getNumVertices() - 5);

ring_line.addIndex(ring_line.getNumVertices() - 1); ring_line.addIndex(ring_line.getNumVertices() - 3);

ring_line.addIndex(ring_line.getNumVertices() - 2); ring_line.addIndex(ring_line.getNumVertices() - 4);

}

ofSetColor(239);

ring.draw();

ofSetColor(39);

ring_line.drawWireframe();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float size, ofColor face_color) {

this->setBoxToMesh(face_target, line_target, location, size, size, size, face_color);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float height, float width, float depth, ofColor face_color) {

int face_index = face_target.getNumVertices();

int line_index = line_target.getNumVertices();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

line_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

line_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

line_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

line_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

line_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

line_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

line_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

line_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 1);

line_target.addIndex(line_index + 1); line_target.addIndex(line_index + 2);

line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 3);

line_target.addIndex(line_index + 3); line_target.addIndex(line_index + 0);

line_target.addIndex(line_index + 4); line_target.addIndex(line_index + 5);

line_target.addIndex(line_index + 5); line_target.addIndex(line_index + 6);

line_target.addIndex(line_index + 6); line_target.addIndex(line_index + 7);

line_target.addIndex(line_index + 7); line_target.addIndex(line_index + 4);

line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 4);

line_target.addIndex(line_index + 1); line_target.addIndex(line_index + 5);

line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 6);

line_target.addIndex(line_index + 3); line_target.addIndex(line_index + 7);

for (int i = 0; i < 8; i++) {

face_target.addColor(face_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210524

2021年5月23日2021年5月23日

Box in sphere. Draw by openFrameworks

[ Video ]

[ About ]
Box in sphere.

[ 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(1);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(100, 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() {

	this->mesh.clear();
	this->frame.clear();
	
	for (int radius = 300; radius <= 500; radius += 20) {

		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(glm::vec4(avg * 0.01, (radius / 20 + ofGetFrameNum()) * 0.008));

			if (noise_value < 0.45) {

				vector<glm::vec3> vertices;
				vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(0) - avg) * 0.999) + avg) * (radius + 10));
				vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(1) - avg) * 0.999) + avg) * (radius + 10));
				vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(2) - avg) * 0.999) + avg) * (radius + 10));

				vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 10));
				vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 10));
				vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 10));

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

				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(39);
	this->mesh.drawFaces();

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

	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);

	ofSetColor(39);
	ofFill();
	ofDrawBox(149);

	ofSetColor(239);
	ofNoFill();
	ofDrawBox(150);

	this->cam.end();
}

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

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

100

101

102

103

104

105

106

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(100, 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() {

this->mesh.clear();

this->frame.clear();

for (int radius = 300; radius <= 500; radius += 20) {

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(glm::vec4(avg * 0.01, (radius / 20 + ofGetFrameNum()) * 0.008));

if (noise_value < 0.45) {

vector<glm::vec3> vertices;

vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(0) - avg) * 0.999) + avg) * (radius + 10));

vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(1) - avg) * 0.999) + avg) * (radius + 10));

vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(2) - avg) * 0.999) + avg) * (radius + 10));

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 10));

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 10));

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 10));

this->mesh.addVertices(vertices);

this->frame.addVertices(vertices);

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(39);

this->mesh.drawFaces();

ofSetColor(239);

this->frame.drawWireframe();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

ofSetColor(39);

ofFill();

ofDrawBox(149);

ofSetColor(239);

ofNoFill();

ofDrawBox(150);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210523

2021年5月18日2021年5月18日

Count up. Draw by openFrameworks

[ Video ]

[ About ]
Count up.

[ 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) {};

	ofTrueTypeFont font;
	string word;
	vector<glm::vec3> font_location_list;

	vector<ofColor> base_color_list;

	vector<vector<glm::vec2>> log_list;
	vector<ofColor> color_list;
	vector<float> life_list;

	int count;
};

#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) {};

ofTrueTypeFont font;

string word;

vector<glm::vec3> font_location_list;

vector<ofColor> base_color_list;

vector<vector<glm::vec2>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

int count;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	ofColor color;
	vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 300, true, true, true);
	this->word = "PCD 2021";

	this->count = 10;
}

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

	if (ofGetFrameNum() % 60 == 0) {

		this->font_location_list.clear();
		this->word = std::to_string(this->count);
	
		int sample_count = 150;
		vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);
		for (int word_index = 0; word_index < word_path.size(); word_index++) {

			vector<ofPolyline> outline = word_path[word_index].getOutline();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
				vector<glm::vec3> vertices = outline[outline_index].getVertices();
				this->font_location_list.insert(this->font_location_list.end(), vertices.begin(), vertices.end());
			}
		}

		this->count++;
	}

	int radius = 3;
	while (this->log_list.size() < 1000) {

		int font_location_index = ofRandom(this->font_location_list.size());
		vector<glm::vec2> log;
		log.push_back(this->font_location_list[font_location_index]);
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(30, 50));
	}

	for (int i = this->log_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

			this->log_list.erase(this->log_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
			this->life_list.erase(this->life_list.begin() + i);

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.008, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	ofTranslate(ofGetWidth() * 0.5 - 225, ofGetHeight() * 0.5 + 150);

	ofSetColor(255, 128);
	this->font.drawStringAsShapes(this->word, 0, 0);

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

ofColor color;

vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 300, true, true, true);

this->word = "PCD 2021";

this->count = 10;

}

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

void ofApp::update() {

if (ofGetFrameNum() % 60 == 0) {

this->font_location_list.clear();

this->word = std::to_string(this->count);

int sample_count = 150;

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

this->font_location_list.insert(this->font_location_list.end(), vertices.begin(), vertices.end());

}

this->count++;

}

int radius = 3;

while (this->log_list.size() < 1000) {

int font_location_index = ofRandom(this->font_location_list.size());

vector<glm::vec2> log;

log.push_back(this->font_location_list[font_location_index]);

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(30, 50));

}

for (int i = this->log_list.size() - 1; i >= 0; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

this->log_list.erase(this->log_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

this->life_list.erase(this->life_list.begin() + i);

continue;

}

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.008, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

while (this->log_list[i].size() > 100) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5 - 225, ofGetHeight() * 0.5 + 150);

ofSetColor(255, 128);

this->font.drawStringAsShapes(this->word, 0, 0);

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210518

2025年7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	31