void DrawUtils::draw_cube ( DrawBatcher &draw_batcher,
const std::shared_ptr<CameraObject> &camera,
const std::shared_ptr<MaterialResource> &material,
const std::shared_ptr<ShaderResource> &shader,
const Matrix4 &transform,
DTfloat size)
{
draw_batcher.batch_begin(camera, material, shader, transform, DT3GL_PRIM_TRI_STRIP, DrawBatcher::FMT_V);
// Sized
draw_batcher.add().v(-size,-size,size);
draw_batcher.add().v(size,-size,size);
draw_batcher.add().v(-size,size,size);
draw_batcher.add().v(size,size,size);
draw_batcher.add().v(-size,size,-size);
draw_batcher.add().v(size,size,-size);
draw_batcher.add().v(-size,-size,-size);
draw_batcher.add().v(size,-size,-size);
draw_batcher.add().v(-size,-size,size);
draw_batcher.add().v(size,-size,size);
draw_batcher.add().v(size,-size,size); // Degenerate
draw_batcher.add().v(size,-size,size); // Degenerate
draw_batcher.add().v(size,-size,size);
draw_batcher.add().v(size,-size,-size);
draw_batcher.add().v(size,size,size);
draw_batcher.add().v(size,size,-size);
draw_batcher.add().v(size,size,-size); // Degenerate
draw_batcher.add().v(-size,-size,-size); // Degenerate
draw_batcher.add().v(-size,-size,-size);
draw_batcher.add().v(-size,-size,size);
draw_batcher.add().v(-size,size,-size);
draw_batcher.add().v(-size,size,size);
// // Top
// draw_batcher.add().v(-size,size,-size);
// draw_batcher.add().v(-size,size,size);
// draw_batcher.add().v(size,size,-size);
// draw_batcher.add().v(size,size,size);
//
// draw_batcher.add().v(size,size,size); // Degenerate
//
// // Bottom
// draw_batcher.add().v(-size,-size,size);
// draw_batcher.add().v(-size,-size,-size);
// draw_batcher.add().v(size,-size,size);
// draw_batcher.add().v(size,-size,-size);
draw_batcher.batch_end();
draw_batcher.draw();
}
void DrawUtils::draw_ring ( DrawBatcher &draw_batcher,
const std::shared_ptr<CameraObject> &camera,
const std::shared_ptr<MaterialResource> &material,
const std::shared_ptr<ShaderResource> &shader,
const Matrix4 &transform,
const Color4b &color,
DTfloat size)
{
draw_batcher.batch_begin(camera, material, shader, transform, DT3GL_PRIM_LINE_LOOP, DrawBatcher::FMT_V | DrawBatcher::FMT_C);
const DTfloat MAX_SEGMENTS = 64.0F;
for (DTuint i = 0; i <= MAX_SEGMENTS; ++i) {
DTfloat angle = static_cast<DTfloat>(i) / MAX_SEGMENTS * 2.0F * PI;
draw_batcher.add().v(size * std::cos(angle), 0.0F, size * std::sin(angle)).c(color);
}
draw_batcher.batch_end();
draw_batcher.draw();
}
void DrawUtils::draw_cone( DrawBatcher &draw_batcher,
const std::shared_ptr<CameraObject> &camera,
const std::shared_ptr<MaterialResource> &material,
const std::shared_ptr<ShaderResource> &shader,
const Matrix4 &transform,
const Color4b &color,
DTfloat radius,
DTfloat length)
{
draw_batcher.batch_begin(camera, material, shader, transform, DT3GL_PRIM_TRI_STRIP, DrawBatcher::FMT_V | DrawBatcher::FMT_C);
const DTint MAX_SEGMENTS = 16;
for (DTint i = 0; i < MAX_SEGMENTS; ++i) {
DTfloat angle = static_cast<DTfloat>(i) / MAX_SEGMENTS * 2.0F * PI;
DTfloat angle_plus_1 = static_cast<DTfloat>(i+1) / MAX_SEGMENTS * 2.0F * PI;
draw_batcher.add().v(radius * std::cos(angle), -length, radius * std::sin(angle)).c(color);
draw_batcher.add().v(radius * std::cos(angle_plus_1), -length, radius * std::sin(angle_plus_1)).c(color);
draw_batcher.add().v(0.0F,length,0.0F).c(color);
}
draw_batcher.batch_end();
draw_batcher.draw();
}
void DrawUtils::draw_quad_stretch_center_3x3 ( DrawBatcher &draw_batcher,
const std::shared_ptr<CameraObject> &camera,
const std::shared_ptr<MaterialResource> &material,
const std::shared_ptr<ShaderResource> &shader,
const Color4f &color,
const Matrix4 &transform,
DTfloat xpos,
DTfloat ypos,
DTfloat xsize,
DTfloat ysize,
DTfloat corner_width,
DTfloat corner_height)
{
// Adjust corner width
if (corner_width > xsize * 0.5F)
corner_width = xsize * 0.5F;
if (corner_height > ysize * 0.5F)
corner_height = ysize * 0.5F;
// Makes the corners of the image. This means we have to draw nine rectangles.
DTfloat one_third_x = 1.0F / 3.0F;
DTfloat two_thirds_x = 1.0F - one_third_x;
DTfloat one_third_y = 1.0F / 3.0F;
DTfloat two_thirds_y = 1.0F - one_third_y;
const DTfloat minus_x = xpos;
const DTfloat plus_x = xpos + xsize;
const DTfloat minus_y = ypos;
const DTfloat plus_y = ypos + ysize;
DTfloat inner_left = minus_x + corner_width;
DTfloat inner_right = plus_x - corner_width;
DTfloat inner_top = plus_y - corner_height;
DTfloat inner_bottom = minus_y + corner_height;
if (inner_left > inner_right) inner_left = inner_right = (minus_x + plus_x) * 0.5F;
if (inner_bottom > inner_top) inner_bottom = inner_top = (minus_y + plus_y) * 0.5F;
draw_batcher.batch_begin(camera, material, shader, transform, DT3GL_PRIM_TRI_STRIP, DrawBatcher::FMT_V | DrawBatcher::FMT_T0 | DrawBatcher::FMT_C);
// Bottom row
draw_batcher.add().v(minus_x, inner_bottom, 0.0F) .t0(0.0F, one_third_y) .c(color);
draw_batcher.add().v(minus_x, minus_y, 0.0F) .t0(0.0F, 0.0F) .c(color);
draw_batcher.add().v(inner_left, inner_bottom, 0.0F) .t0(one_third_x, one_third_y) .c(color);
draw_batcher.add().v(inner_left, minus_y, 0.0F) .t0(one_third_x, 0.0F) .c(color);
draw_batcher.add().v(inner_right, inner_bottom, 0.0F) .t0(two_thirds_x, one_third_y) .c(color);
draw_batcher.add().v(inner_right, minus_y, 0.0F) .t0(two_thirds_x, 0.0F) .c(color);
draw_batcher.add().v(plus_x, inner_bottom, 0.0F) .t0(1.0F, one_third_y) .c(color);
draw_batcher.add().v(plus_x, minus_y, 0.0F) .t0(1.0F, 0.0F) .c(color);
draw_batcher.add().v(plus_x, minus_y, 0.0F) .t0(1.0F, 0.0F) .c(color); // Degenerate
draw_batcher.add().v(plus_x, minus_y, 0.0F) .t0(1.0F, 0.0F) .c(color); // Degenerate
// Middle row
draw_batcher.add().v(minus_x, inner_top, 0.0F) .t0(0.0F, two_thirds_y) .c(color);
draw_batcher.add().v(minus_x, inner_bottom, 0.0F) .t0(0.0F, one_third_y) .c(color);
draw_batcher.add().v(inner_left, inner_top, 0.0F) .t0(one_third_x, two_thirds_y) .c(color);
draw_batcher.add().v(inner_left, inner_bottom, 0.0F) .t0(one_third_x, one_third_y) .c(color);
draw_batcher.add().v(inner_right, inner_top, 0.0F) .t0(two_thirds_x, two_thirds_y) .c(color);
draw_batcher.add().v(inner_right, inner_bottom, 0.0F) .t0(two_thirds_x, one_third_y) .c(color);
draw_batcher.add().v(plus_x, inner_top, 0.0F) .t0(1.0F, two_thirds_y) .c(color);
draw_batcher.add().v(plus_x, inner_bottom, 0.0F) .t0(1.0F, one_third_y) .c(color);
draw_batcher.add().v(plus_x, inner_bottom, 0.0F) .t0(1.0F, one_third_y) .c(color); // Degenerate
draw_batcher.add().v(plus_x, inner_bottom, 0.0F) .t0(1.0F, one_third_y) .c(color); // Degenerate
// Top row
draw_batcher.add().v(minus_x, plus_y, 0.0F) .t0(0.0F, 1.0F) .c(color);
draw_batcher.add().v(minus_x, inner_top, 0.0F) .t0(0.0F, two_thirds_y) .c(color);
draw_batcher.add().v(inner_left, plus_y, 0.0F) .t0(one_third_x, 1.0F) .c(color);
draw_batcher.add().v(inner_left, inner_top, 0.0F) .t0(one_third_x, two_thirds_y) .c(color);
draw_batcher.add().v(inner_right, plus_y, 0.0F) .t0(two_thirds_x, 1.0F) .c(color);
draw_batcher.add().v(inner_right, inner_top, 0.0F) .t0(two_thirds_x, two_thirds_y) .c(color);
draw_batcher.add().v(plus_x, plus_y, 0.0F) .t0(1.0F, 1.0F) .c(color);
draw_batcher.add().v(plus_x, inner_top, 0.0F) .t0(1.0F, two_thirds_y) .c(color);
draw_batcher.batch_end();
draw_batcher.draw();
}
void DrawUtils::draw_selection ( DrawBatcher &draw_batcher,
const std::shared_ptr<CameraObject> &camera,
const std::shared_ptr<MaterialResource> &material,
const std::shared_ptr<ShaderResource> &shader,
const Matrix4 &transform,
const Color4b &color,
DTfloat radius)
{
const DTfloat SEL_size = radius * 0.2F;
// Draw box around object
draw_batcher.batch_begin(camera, material, shader, transform, DT3GL_PRIM_LINES, DrawBatcher::FMT_V | DrawBatcher::FMT_C);
// - - -
draw_batcher.add().v(-radius,-radius,-radius) .c(color);
draw_batcher.add().v(-radius+SEL_size,-radius,-radius) .c(color);
draw_batcher.add().v(-radius,-radius,-radius) .c(color);
draw_batcher.add().v(-radius,-radius+SEL_size,-radius) .c(color);
draw_batcher.add().v(-radius,-radius,-radius) .c(color);
draw_batcher.add().v(-radius,-radius,-radius+SEL_size) .c(color);
// - - +
draw_batcher.add().v(-radius,-radius,+radius) .c(color);
draw_batcher.add().v(-radius+SEL_size,-radius,+radius) .c(color);
draw_batcher.add().v(-radius,-radius,+radius) .c(color);
draw_batcher.add().v(-radius,-radius+SEL_size,+radius) .c(color);
draw_batcher.add().v(-radius,-radius,+radius) .c(color);
draw_batcher.add().v(-radius,-radius,+radius-SEL_size) .c(color);
// - + -
draw_batcher.add().v(-radius,+radius,-radius) .c(color);
draw_batcher.add().v(-radius+SEL_size,+radius,-radius) .c(color);
draw_batcher.add().v(-radius,+radius,-radius) .c(color);
draw_batcher.add().v(-radius,+radius-SEL_size,-radius) .c(color);
draw_batcher.add().v(-radius,+radius,-radius) .c(color);
draw_batcher.add().v(-radius,+radius,-radius+SEL_size) .c(color);
// - + +
draw_batcher.add().v(-radius,+radius,+radius) .c(color);
draw_batcher.add().v(-radius+SEL_size,+radius,+radius) .c(color);
draw_batcher.add().v(-radius,+radius,+radius) .c(color);
draw_batcher.add().v(-radius,+radius-SEL_size,+radius) .c(color);
draw_batcher.add().v(-radius,+radius,+radius) .c(color);
draw_batcher.add().v(-radius,+radius,+radius-SEL_size) .c(color);
// + - -
draw_batcher.add().v(+radius,-radius,-radius) .c(color);
draw_batcher.add().v(+radius-SEL_size,-radius,-radius) .c(color);
draw_batcher.add().v(+radius,-radius,-radius) .c(color);
draw_batcher.add().v(+radius,-radius+SEL_size,-radius) .c(color);
draw_batcher.add().v(+radius,-radius,-radius) .c(color);
draw_batcher.add().v(+radius,-radius,-radius+SEL_size) .c(color);
// + - +
draw_batcher.add().v(+radius,-radius,+radius) .c(color);
draw_batcher.add().v(+radius-SEL_size,-radius,+radius) .c(color);
draw_batcher.add().v(+radius,-radius,+radius) .c(color);
draw_batcher.add().v(+radius,-radius+SEL_size,+radius) .c(color);
draw_batcher.add().v(+radius,-radius,+radius) .c(color);
draw_batcher.add().v(+radius,-radius,+radius-SEL_size) .c(color);
// + + -
draw_batcher.add().v(+radius,+radius,-radius) .c(color);
draw_batcher.add().v(+radius-SEL_size,+radius,-radius) .c(color);
draw_batcher.add().v(+radius,+radius,-radius) .c(color);
draw_batcher.add().v(+radius,+radius-SEL_size,-radius) .c(color);
draw_batcher.add().v(+radius,+radius,-radius) .c(color);
draw_batcher.add().v(+radius,+radius,-radius+SEL_size) .c(color);
// + + +
draw_batcher.add().v(+radius,+radius,+radius) .c(color);
draw_batcher.add().v(+radius-SEL_size,+radius,+radius) .c(color);
draw_batcher.add().v(+radius,+radius,+radius) .c(color);
draw_batcher.add().v(+radius,+radius-SEL_size,+radius) .c(color);
draw_batcher.add().v(+radius,+radius,+radius) .c(color);
draw_batcher.add().v(+radius,+radius,+radius-SEL_size) .c(color);
draw_batcher.batch_end();
draw_batcher.draw();
}