2025年1月 – ページ 10 – プログラミング de 落描き

2025年1月4日

Sphere sky.

[ Video ]

[ About ]
球体の空。

[ 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;
	ofMesh face, line;
};

#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;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofEnableDepthTest();

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

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

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

	float phi_deg_step = 0.25;
	float theta_deg_step = 0.25;

	float noise_threshold = 0.5;
	
	ofColor face_color = ofColor(0);

	for (float radius = 330; radius > 280; radius -= 5) {

		ofColor line_color = ofColor(ofMap(radius, 180, 230, 239, 239));

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

				auto noise_value = ofNoise(
					5 * cos(phi_deg * DEG_TO_RAD),
					5 * sin(phi_deg * DEG_TO_RAD),
					5 * cos(theta_deg * DEG_TO_RAD),
					radius * 0.015 + ofGetFrameNum() * 0.004);

				if (noise_value < noise_threshold - 0.03 || noise_value > noise_threshold + 0.03) { continue; }

				auto noise_value_1 = ofNoise(
					5 * cos(phi_deg * DEG_TO_RAD),
					5 * sin(phi_deg * DEG_TO_RAD),
					5 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD),
					radius * 0.015 + ofGetFrameNum() * 0.004);
				auto noise_value_2 = ofNoise(
					5 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD),
					5 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD),
					5 * cos(theta_deg * DEG_TO_RAD),
					radius * 0.015 + ofGetFrameNum() * 0.004);
				auto noise_value_3 = ofNoise(
					5 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD),
					5 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD),
					5 * cos(theta_deg * DEG_TO_RAD),
					radius * 0.015 + ofGetFrameNum() * 0.004);
				auto noise_value_4 = ofNoise(
					5 * cos(phi_deg * DEG_TO_RAD),
					5 * sin(phi_deg * DEG_TO_RAD),
					5 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD),
					radius * 0.015 + ofGetFrameNum() * 0.004);

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

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				this->face.addVertices(vertices);

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

				if (noise_value_1 < noise_threshold - 0.03 || noise_value_1 > noise_threshold + 0.03) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_2 < noise_threshold - 0.03 || noise_value_2 > noise_threshold + 0.03) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_3 < noise_threshold - 0.03 || noise_value_3 > noise_threshold + 0.03) {

					this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_4 < noise_threshold - 0.03 || noise_value_4 > noise_threshold + 0.03) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				for (int i = 0; i < vertices.size(); i++) {

					this->face.addColor(face_color);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.18);
	this->cam.setPosition(glm::vec3());

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

	this->cam.end();

	/*
	int start = 1;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

float phi_deg_step = 0.25;

float theta_deg_step = 0.25;

float noise_threshold = 0.5;

ofColor face_color = ofColor(0);

for (float radius = 330; radius > 280; radius -= 5) {

ofColor line_color = ofColor(ofMap(radius, 180, 230, 239, 239));

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(

5 * cos(phi_deg * DEG_TO_RAD),

5 * sin(phi_deg * DEG_TO_RAD),

5 * cos(theta_deg * DEG_TO_RAD),

radius * 0.015 + ofGetFrameNum() * 0.004);

if (noise_value < noise_threshold - 0.03 || noise_value > noise_threshold + 0.03) { continue; }

auto noise_value_1 = ofNoise(

5 * cos(phi_deg * DEG_TO_RAD),

5 * sin(phi_deg * DEG_TO_RAD),

5 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD),

radius * 0.015 + ofGetFrameNum() * 0.004);

auto noise_value_2 = ofNoise(

5 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD),

5 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD),

5 * cos(theta_deg * DEG_TO_RAD),

radius * 0.015 + ofGetFrameNum() * 0.004);

auto noise_value_3 = ofNoise(

5 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD),

5 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD),

5 * cos(theta_deg * DEG_TO_RAD),

radius * 0.015 + ofGetFrameNum() * 0.004);

auto noise_value_4 = ofNoise(

5 * cos(phi_deg * DEG_TO_RAD),

5 * sin(phi_deg * DEG_TO_RAD),

5 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD),

radius * 0.015 + ofGetFrameNum() * 0.004);

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

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

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

if (noise_value_1 < noise_threshold - 0.03 || noise_value_1 > noise_threshold + 0.03) {

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

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_2 < noise_threshold - 0.03 || noise_value_2 > noise_threshold + 0.03) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_3 < noise_threshold - 0.03 || noise_value_3 > noise_threshold + 0.03) {

this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_4 < noise_threshold - 0.03 || noise_value_4 > noise_threshold + 0.03) {

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

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

for (int i = 0; i < vertices.size(); i++) {

this->face.addColor(face_color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.18);

this->cam.setPosition(glm::vec3());

this->face.draw();

this->line.draw();

this->cam.end();

int start = 1;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250104

2025年1月3日

Ameba sphere.

[ Video ]

[ About ]
アメーバ球。

[ 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;
	ofMesh face, line;
};

#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;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableDepthTest();

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

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

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

	float phi_deg_step = 0.25;
	float theta_deg_step = 0.25;

	float noise_threshold = 0.5;

	ofColor line_color = ofColor(255);
	ofColor face_color = ofColor(0);

	for (float radius = 230; radius > 180; radius -= 5) {

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

				auto noise_value = ofNoise(
					5 * cos(phi_deg * DEG_TO_RAD),
					5 * sin(phi_deg * DEG_TO_RAD),
					5 * cos(theta_deg * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);

				if (noise_value < noise_threshold) { continue; }

				auto noise_value_1 = ofNoise(
					5 * cos(phi_deg * DEG_TO_RAD),
					5 * sin(phi_deg * DEG_TO_RAD),
					5 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_2 = ofNoise(
					5 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD),
					5 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD),
					5 * cos(theta_deg * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_3 = ofNoise(
					5 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD),
					5 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD),
					5 * cos(theta_deg * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_4 = ofNoise(
					5 * cos(phi_deg * DEG_TO_RAD),
					5 * sin(phi_deg * DEG_TO_RAD),
					5 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);

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

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				this->face.addVertices(vertices);

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

				if (noise_value_1 < noise_threshold) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_2 < noise_threshold) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_3 < noise_threshold) {

					this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_4 < noise_threshold) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				for (int i = 0; i < vertices.size(); i++) {

					this->face.addColor(face_color);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);

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

	this->cam.end();

	/*
	int start = 1;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

float phi_deg_step = 0.25;

float theta_deg_step = 0.25;

float noise_threshold = 0.5;

ofColor line_color = ofColor(255);

ofColor face_color = ofColor(0);

for (float radius = 230; radius > 180; radius -= 5) {

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(

5 * cos(phi_deg * DEG_TO_RAD),

5 * sin(phi_deg * DEG_TO_RAD),

5 * cos(theta_deg * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

if (noise_value < noise_threshold) { continue; }

auto noise_value_1 = ofNoise(

5 * cos(phi_deg * DEG_TO_RAD),

5 * sin(phi_deg * DEG_TO_RAD),

5 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_2 = ofNoise(

5 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD),

5 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD),

5 * cos(theta_deg * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_3 = ofNoise(

5 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD),

5 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD),

5 * cos(theta_deg * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_4 = ofNoise(

5 * cos(phi_deg * DEG_TO_RAD),

5 * sin(phi_deg * DEG_TO_RAD),

5 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

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

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

if (noise_value_1 < noise_threshold) {

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

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_2 < noise_threshold) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_3 < noise_threshold) {

this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_4 < noise_threshold) {

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

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

for (int i = 0; i < vertices.size(); i++) {

this->face.addColor(face_color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

this->face.draw();

this->line.draw();

this->cam.end();

int start = 1;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250103

2025年1月2日

DNA in Coding Every Day.

[ Video ]

[ About ]
毎日コーディングのDNA.

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofSetColor(255);
	ofEnableDepthTest();

	this->font_size = 70;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofTranslate(0, 512 + 1024);
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * 2.88);

	string word = "Coding Every Day ";
	int sample_count = 180;
	auto noise_param = ofRandom(1000);
	ofColor color;

	for (int k = 0; k < 360; k += 90) {

		color.setHsb(ofMap(k, 0, 360, 0, 255), 130, 255);
		ofSetColor(color);

		for (int i = 0; i < word.size() * 3; i++) {

			ofPath chara_path = this->font.getCharacterAsPoints(word[i % word.size()], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();

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

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 220);
					auto rotation_y = glm::rotate(glm::mat4(), (i * 12.f + k) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					auto rotation_z = glm::rotate(glm::mat4(), 35 * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));
					location = glm::vec4(location, 0) * rotation_z * rotation_y;

					location = location + glm::vec3(0, i * 50, 0);
					ofVertex(location);
				}
			}
			ofEndShape();
		}
	}

	this->cam.end();
		
	/*
	int start = 200;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(255);

ofEnableDepthTest();

this->font_size = 70;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(0, 512 + 1024);

ofRotateX(180);

ofRotateY(ofGetFrameNum() * 2.88);

string word = "Coding Every Day ";

int sample_count = 180;

auto noise_param = ofRandom(1000);

ofColor color;

for (int k = 0; k < 360; k += 90) {

color.setHsb(ofMap(k, 0, 360, 0, 255), 130, 255);

ofSetColor(color);

for (int i = 0; i < word.size() * 3; i++) {

ofPath chara_path = this->font.getCharacterAsPoints(word[i % word.size()], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofBeginShape();

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

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 220);

auto rotation_y = glm::rotate(glm::mat4(), (i * 12.f + k) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), 35 * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

location = location + glm::vec3(0, i * 50, 0);

ofVertex(location);

}

ofEndShape();

}

this->cam.end();

int start = 200;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250102

2025年1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