programming – ページ 162 – プログラミング de 落描き

2022年5月10日

Gradation relationship. Draw by openFrameworks

[ Video ]

[ About ]
線はお互いの色のグラデーションカラー。

Gradation color line.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBox2d.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) {};

	float radius;
	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dCircle>> circle_list;
	vector<ofColor> color_list;

};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.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) {};

float radius;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circle_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	ofNoFill();

	this->radius = 20;

	this->box2d.init();
	this->box2d.setGravity(0, 0);
	this->box2d.createBounds(20, 20, 680, 680);
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();

	ofColor color;
	for (int i = 0; i < 50; i++) {
		
		auto circle = make_shared<ofxBox2dCircle>();
		circle->setPhysics(0.5, 0.63, 0.1);
		circle->setup(this->box2d.getWorld(), ofRandom(30, 670), ofRandom(30, 670), this->radius);
		this->circle_list.push_back(circle);

		color.setHsb(ofMap(i, 0, 50, 0, 255), 180, 255);
		this->color_list.push_back(color);
	}
}

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

	ofSeedRandom(39);

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

		for (int j = i + 1; j < this->circle_list.size(); j++) {

			float distance = this->circle_list[i]->getPosition().distance(this->circle_list[j]->getPosition());
			if (distance < this->radius * 4) {

				this->circle_list[i]->addForce(this->circle_list[i]->getPosition() - this->circle_list[j]->getPosition(), ofMap(distance, this->radius, this->radius * 4, 1, 2));
				this->circle_list[j]->addForce(this->circle_list[j]->getPosition() - this->circle_list[i]->getPosition(), ofMap(distance, this->radius, this->radius * 4, 1, 2));
			}
		}
	}

	this->box2d.update();
}

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

	ofMesh line;
	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	auto threshold = 100;
	for (int i = 0; i < this->circle_list.size(); i++) {

		glm::vec2 location = this->circle_list[i]->getPosition();

		ofSetColor(this->color_list[i]);
		ofDrawCircle(location, 10);

		for (int k = 0; k < this->circle_list.size(); k++) {

			glm::vec2 other = this->circle_list[k]->getPosition();
			if (location == other) { continue; }

			auto distance = glm::distance(location, other);
			if (distance < threshold) {

				auto direction_rad = std::atan2(other.y - location.y, other.x - location.x);
				auto direction = direction_rad * RAD_TO_DEG;
				auto width = ofMap(distance, 0, threshold, 360, 0);

				ofNoFill();

				ofBeginShape();
				for (auto deg = direction - width * 0.65; deg <= direction + width * 0.65; deg++) {

					ofVertex(location.x + this->radius * cos(deg * DEG_TO_RAD), location.y + this->radius * sin(deg * DEG_TO_RAD));
				}
				ofEndShape();

				line.addVertex(glm::vec3(location + glm::vec2(this->radius * cos(direction * DEG_TO_RAD), this->radius * sin(direction * DEG_TO_RAD)), 0));
				line.addVertex(glm::vec3(other + glm::vec2(this->radius * cos((180 + direction) * DEG_TO_RAD), this->radius * sin((180 + direction) * DEG_TO_RAD)), 0));

				line.addColor(this->color_list[i]);
				line.addColor(this->color_list[k]);

				line.addIndex(line.getNumVertices() - 1);
				line.addIndex(line.getNumVertices() - 2);
			}
		}
	}

	ofSetColor(255);
	ofDrawRectangle(20, 20, 680, 680);
	line.drawWireframe();
}

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

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

100

101

102

103

104

105

106

107

108

109

110

111

112

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(2);

ofNoFill();

this->radius = 20;

this->box2d.init();

this->box2d.setGravity(0, 0);

this->box2d.createBounds(20, 20, 680, 680);

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

ofColor color;

for (int i = 0; i < 50; i++) {

auto circle = make_shared<ofxBox2dCircle>();

circle->setPhysics(0.5, 0.63, 0.1);

circle->setup(this->box2d.getWorld(), ofRandom(30, 670), ofRandom(30, 670), this->radius);

this->circle_list.push_back(circle);

color.setHsb(ofMap(i, 0, 50, 0, 255), 180, 255);

this->color_list.push_back(color);

}

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

void ofApp::update() {

ofSeedRandom(39);

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

for (int j = i + 1; j < this->circle_list.size(); j++) {

float distance = this->circle_list[i]->getPosition().distance(this->circle_list[j]->getPosition());

if (distance < this->radius * 4) {

this->circle_list[i]->addForce(this->circle_list[i]->getPosition() - this->circle_list[j]->getPosition(), ofMap(distance, this->radius, this->radius * 4, 1, 2));

this->circle_list[j]->addForce(this->circle_list[j]->getPosition() - this->circle_list[i]->getPosition(), ofMap(distance, this->radius, this->radius * 4, 1, 2));

}

this->box2d.update();

}

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

void ofApp::draw() {

ofMesh line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

auto threshold = 100;

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

glm::vec2 location = this->circle_list[i]->getPosition();

ofSetColor(this->color_list[i]);

ofDrawCircle(location, 10);

for (int k = 0; k < this->circle_list.size(); k++) {

glm::vec2 other = this->circle_list[k]->getPosition();

if (location == other) { continue; }

auto distance = glm::distance(location, other);

if (distance < threshold) {

auto direction_rad = std::atan2(other.y - location.y, other.x - location.x);

auto direction = direction_rad * RAD_TO_DEG;

auto width = ofMap(distance, 0, threshold, 360, 0);

ofNoFill();

ofBeginShape();

for (auto deg = direction - width * 0.65; deg <= direction + width * 0.65; deg++) {

ofVertex(location.x + this->radius * cos(deg * DEG_TO_RAD), location.y + this->radius * sin(deg * DEG_TO_RAD));

}

ofEndShape();

line.addVertex(glm::vec3(location + glm::vec2(this->radius * cos(direction * DEG_TO_RAD), this->radius * sin(direction * DEG_TO_RAD)), 0));

line.addVertex(glm::vec3(other + glm::vec2(this->radius * cos((180 + direction) * DEG_TO_RAD), this->radius * sin((180 + direction) * DEG_TO_RAD)), 0));

line.addColor(this->color_list[i]);

line.addColor(this->color_list[k]);

line.addIndex(line.getNumVertices() - 1);

line.addIndex(line.getNumVertices() - 2);

}

ofSetColor(255);

ofDrawRectangle(20, 20, 680, 680);

line.drawWireframe();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220510

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2022年5月9日

3 lines. Draw by openFrameworks

[ Video ]

[ About ]
3つの線と3つの線。

3 lines.

[ 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(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(3);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);
	ofNoFill();
}

//--------------------------------------------------------------
void ofApp::update() {
	
	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

	for (int y = -200; y <= 200; y += 200) {

		int param_x = ofMap((ofGetFrameNum() * 12 + y * ofGetWindowWidth() / 3) % ofGetWindowWidth(), 0, ofGetWindowWidth(), ofGetWindowWidth() * -0.5 - 40, ofGetWindowWidth() * 0.5 + 40);
		for (int color_index = 0; color_index < color_list.size(); color_index++) {

			auto noise_seed = ofRandom(1000);

			ofSetColor(color_list[color_index]);
			ofBeginShape();
			for (int x = ofGetWindowWidth() * -0.5; x <= ofGetWindowWidth() * 0.5; x += 1) {

				auto noise_value = ofNoise(noise_seed, x * 0.02, ofGetFrameNum() * 0.001);
				auto param = ofMap(noise_value, 0, 1, -150, 150);
				auto len = abs(param_x - x);

				if (len < 80) {

					param *= ofMap(len, 0, 80, 1, 0);
				}
				else {

					param *= 0;
				}

				ofVertex(x, y + param);
			}
			ofEndShape(false);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(3);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

for (int y = -200; y <= 200; y += 200) {

int param_x = ofMap((ofGetFrameNum() * 12 + y * ofGetWindowWidth() / 3) % ofGetWindowWidth(), 0, ofGetWindowWidth(), ofGetWindowWidth() * -0.5 - 40, ofGetWindowWidth() * 0.5 + 40);

for (int color_index = 0; color_index < color_list.size(); color_index++) {

auto noise_seed = ofRandom(1000);

ofSetColor(color_list[color_index]);

ofBeginShape();

for (int x = ofGetWindowWidth() * -0.5; x <= ofGetWindowWidth() * 0.5; x += 1) {

auto noise_value = ofNoise(noise_seed, x * 0.02, ofGetFrameNum() * 0.001);

auto param = ofMap(noise_value, 0, 1, -150, 150);

auto len = abs(param_x - x);

if (len < 80) {

param *= ofMap(len, 0, 80, 1, 0);

}

else {

param *= 0;

}

ofVertex(x, y + param);

}

ofEndShape(false);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220509

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2022年5月8日

Remodeling. Draw by openFrameworks

[ Video ]

[ About ]
波で模様替え。

[ 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) {};

	void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 noise_deg, ofColor face_color, ofColor frame_color);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec2> location_list;
	vector<glm::vec3> noise_seed_list;
	vector<ofColor> color_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 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) {};

void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 noise_deg, ofColor face_color, ofColor frame_color);

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec2> location_list;

vector<glm::vec3> noise_seed_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto radius = 12;
	auto x_span = radius * sqrt(3);
	auto flg = true;
	for (float y = -650; y < 650; y += radius * 1.5) {

		for (float x = -650; x < 650; x += x_span) {

			glm::vec2 location;
			if (flg) {

				location = glm::vec2(x, y);
			}
			else {

				location = glm::vec2(x + (x_span / 2), y);
			}

			this->location_list.push_back(location);
			this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));
			this->color_list.push_back(ofColor(0));
		}
		flg = !flg;
	}

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

}

//--------------------------------------------------------------
void ofApp::update() {
	
	this->face.clear();
	this->frame.clear();

	auto radius = 12;
	auto height = 5.f;

	// 配色デザイン ビビッドブルー P144
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(18, 85, 163));
	color_palette.push_back(ofColor(0, 165, 231));
	color_palette.push_back(ofColor(93, 177, 186));
	color_palette.push_back(ofColor(44, 121, 191));
	color_palette.push_back(ofColor(136, 185, 79));
	color_palette.push_back(ofColor(246, 221, 80));
	color_palette.push_back(ofColor(200, 59, 57));
	//color_palette.push_back(ofColor(255, 255, 255)); // gbcolor

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

		auto noise_deg = glm::vec3(
			ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].x + ofGetFrameNum() * 0.05)), 0, 1, -360, 360),
			ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].y + ofGetFrameNum() * 0.05)), 0, 1, -360, 360),
			ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].z + ofGetFrameNum() * 0.05)), 0, 1, -360, 360));

		auto len = glm::length(this->location_list[i]);
		auto param = (ofGetFrameNum() * 10) % 630 - 30;
		auto tmp = abs(len - param);
		if (tmp > 0 && tmp < 30) {

			this->color_list[i] = color_palette[ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.003, ofGetFrameNum() * 0.05)), 0, 1, 0, color_palette.size())];
		}
		else {

			noise_deg *= 0;
		}

		this->setHexagonToMesh(this->face, this->frame, glm::vec3(this->location_list[i], 0), radius, height, noise_deg, this->color_list[i], ofColor(255));
	}
}

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

	this->cam.begin();

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 noise_deg, ofColor face_color, ofColor frame_color) {

	auto rotation_x = glm::rotate(glm::mat4(), noise_deg.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
	auto rotation_y = glm::rotate(glm::mat4(), noise_deg.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
	auto rotation_z = glm::rotate(glm::mat4(), noise_deg.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

	for (int deg = 90; deg < 450; deg += 60) {

		auto face_radius = radius - 0.5;
		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(0, 0, 0));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(0, 0, height));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

		for (auto& vertex : vertices) {

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

		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); 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 + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

		auto frame_index = frame_target.getNumVertices();

		vertices.clear();
		vertices.push_back(glm::vec3(0, 0, 0));
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(0, 0, height));
		vertices.push_back(glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), height));
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height));

		for (auto& vertex : vertices) {

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

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

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

			face_target.addColor(face_color);
			frame_target.addColor(frame_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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(2);

ofEnableDepthTest();

auto radius = 12;

auto x_span = radius * sqrt(3);

auto flg = true;

for (float y = -650; y < 650; y += radius * 1.5) {

for (float x = -650; x < 650; x += x_span) {

glm::vec2 location;

if (flg) {

location = glm::vec2(x, y);

}

else {

location = glm::vec2(x + (x_span / 2), y);

}

this->location_list.push_back(location);

this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));

this->color_list.push_back(ofColor(0));

}

flg = !flg;

}

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

auto radius = 12;

auto height = 5.f;

// 配色デザインビビッドブルー P144

vector<ofColor> color_palette;

color_palette.push_back(ofColor(18, 85, 163));

color_palette.push_back(ofColor(0, 165, 231));

color_palette.push_back(ofColor(93, 177, 186));

color_palette.push_back(ofColor(44, 121, 191));

color_palette.push_back(ofColor(136, 185, 79));

color_palette.push_back(ofColor(246, 221, 80));

color_palette.push_back(ofColor(200, 59, 57));

//color_palette.push_back(ofColor(255, 255, 255)); // gbcolor

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

auto noise_deg = glm::vec3(

ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].x + ofGetFrameNum() * 0.05)), 0, 1, -360, 360),

ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].y + ofGetFrameNum() * 0.05)), 0, 1, -360, 360),

ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].z + ofGetFrameNum() * 0.05)), 0, 1, -360, 360));

auto len = glm::length(this->location_list[i]);

auto param = (ofGetFrameNum() * 10) % 630 - 30;

auto tmp = abs(len - param);

if (tmp > 0 && tmp < 30) {

this->color_list[i] = color_palette[ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.003, ofGetFrameNum() * 0.05)), 0, 1, 0, color_palette.size())];

}

else {

noise_deg *= 0;

}

this->setHexagonToMesh(this->face, this->frame, glm::vec3(this->location_list[i], 0), radius, height, noise_deg, this->color_list[i], ofColor(255));

}

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

void ofApp::draw() {

this->cam.begin();

this->face.draw();

this->frame.draw();

this->cam.end();

}

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

void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 noise_deg, ofColor face_color, ofColor frame_color) {

auto rotation_x = glm::rotate(glm::mat4(), noise_deg.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), noise_deg.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

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

for (int deg = 90; deg < 450; deg += 60) {

auto face_radius = radius - 0.5;

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(0, 0, 0));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(0, 0, height));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

for (auto& vertex : vertices) {

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

}

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); 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 + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);

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

auto frame_index = frame_target.getNumVertices();

vertices.clear();

vertices.push_back(glm::vec3(0, 0, 0));

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(0, 0, height));

vertices.push_back(glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), height));

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

for (auto& vertex : vertices) {

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

}

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

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

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220508

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年4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