79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
#include "renderer_simple.hpp"
|
|
|
|
void endofthejedi::RendererSimple::drawCircle(float x, float y, float radius,
|
|
float r, float g, float b,
|
|
int numSides) {
|
|
glBegin(GL_TRIANGLE_FAN);
|
|
glVertex2f(x, y); // center of circle
|
|
for (int i = 0; i <= numSides; i++) {
|
|
glColor3f(r, g, b);
|
|
glVertex2f(x + (radius * cos(i * 2 * M_PI / numSides)),
|
|
y + (radius * sin(i * 2 * M_PI / numSides)));
|
|
}
|
|
glEnd();
|
|
}
|
|
|
|
void endofthejedi::RendererSimple::drawShip(const glm::vec2 &pos,
|
|
float radius) {
|
|
// std::cout<<"draw ship @ " << pos.x << ", " << pos.y << std::endl;
|
|
glm::vec3 color = glm::vec3(0.2, 1.0, 0.3);
|
|
|
|
drawCircle(pos.x, pos.y, radius, color.x, color.y, color.z, 12);
|
|
}
|
|
|
|
void endofthejedi::RendererSimple::drawPlanet(const glm::vec2 &pos,
|
|
float radius) {
|
|
glm::vec3 color = glm::vec3(0.7, 0.1, 0.2);
|
|
|
|
// std::cout<<"draw planet @ " << pos.x << ", " << pos.y << std::endl;
|
|
drawCircle(pos.x, pos.y, radius, color.x, color.y, color.z, 32);
|
|
}
|
|
|
|
void endofthejedi::RendererSimple::drawMissile(const glm::vec2 &pos) {
|
|
glm::vec3 color = glm::vec3(1.0, 1.0, 0.3);
|
|
drawCircle(pos.x, pos.y, 0.01, color.x, color.y, color.z, 6);
|
|
}
|
|
|
|
void endofthejedi::RendererSimple::drawTrace(const game::Trace *trace) {
|
|
for (const game::Trace::TracePoint &p : trace->points) {
|
|
glm::vec3 color = glm::vec3(0.1, 0.3, 1.0) / (1.0f + 500.0f * p.speed);
|
|
drawCircle(p.position.x, p.position.y, 0.005, color.x, color.y, color.z,
|
|
3);
|
|
}
|
|
}
|
|
|
|
void endofthejedi::RendererSimple::drawExplosion(
|
|
const game::Explosion *explosion) {
|
|
// TODO: transparent
|
|
// TODO: with glow in the middle
|
|
float r = explosion->maxRadius * (explosion->age / explosion->maxAge);
|
|
|
|
// TODO: transparency?
|
|
glm::vec3 color = glm::vec3(1.0, 0.9, 0.1);
|
|
drawCircle(explosion->position.x, explosion->position.y, r, color.x,
|
|
color.y, color.z, 64);
|
|
}
|
|
|
|
void endofthejedi::RendererSimple::render(const game::State *state) {
|
|
for (const game::Planet *planet : state->planets) {
|
|
drawPlanet(planet->position, planet->radius);
|
|
}
|
|
|
|
for (const game::Trace *trace : state->traces) {
|
|
drawTrace(trace);
|
|
}
|
|
|
|
for (const game::Explosion *explosion : state->explosions) {
|
|
drawExplosion(explosion);
|
|
}
|
|
|
|
for (const game::Ship *ship : state->ships) {
|
|
drawShip(ship->position, ship->radius);
|
|
}
|
|
|
|
for (const game::Player *player : state->players) {
|
|
for (const game::Missile *missile : player->missiles) {
|
|
drawMissile(missile->position);
|
|
}
|
|
}
|
|
}
|