diff options
Diffstat (limited to 'src/specks.lua')
| -rw-r--r-- | src/specks.lua | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/specks.lua b/src/specks.lua index faaa69b..3cc4221 100644 --- a/src/specks.lua +++ b/src/specks.lua @@ -33,6 +33,9 @@ function Speck_Sys.new() lifetime = {}, lifetime_max = {}, + angle = {}, + angle_vel = {}, + scale_start = {}, scale_end = {} } @@ -71,6 +74,11 @@ function Speck_Sys.new() self.interval = 0.1 + self.angle_min = 0 + self.angle_max = 0 + self.angle_vel_min = 0 + self.angle_vel_max = 0 + self.texture_path = "res/img/speck.png" self.x = 0 @@ -100,6 +108,10 @@ SPECK_EXPORTED_ARGS = { "initial_velx_max", "initial_vely_min", "initial_vely_max", + "angle_vel_min", + "angle_vel_max", + "angle_min", + "angle_max", "damping", "spread", "lifetime_min", @@ -152,6 +164,9 @@ function Speck_Sys:spawn_particles() y = randf_range(self.initial_vely_min, self.initial_vely_max), } + data.angle[id] = randf_range(self.angle_min, self.angle_max) + data.angle_vel[id] = randf_range(self.angle_vel_min, self.angle_vel_max) + local beta = self.spread * math.pi / 180 beta = beta / 2 beta = randf_range(-beta, beta) @@ -209,6 +224,8 @@ function Speck_Sys:update(dt) data.vel[i].x = data.vel[i].x + (dampx + self.forcex) * dt data.vel[i].y = data.vel[i].y + (dampy + self.forcey) * dt + data.angle[i] = data.angle[i] + data.angle_vel[i] * dt + -- move and bounce data.pos[i].x = data.pos[i].x + data.vel[i].x * dt if self:check_bounce(i) then @@ -253,7 +270,7 @@ function Speck_Sys:draw() lg.setColor(gradient:getPixel(sample_pos, 0.5)) lg.draw( - tex, data.pos[i].x, data.pos[i].y, 0, scale, scale, w / 2, h / 2 + tex, data.pos[i].x, data.pos[i].y, math.rad(data.angle[i]), scale, scale, w / 2, h / 2 ) lg.setColor(1, 1, 1, 1) ::next_speck_draw:: |